{"id":329145,"date":"2025-08-05T04:43:05","date_gmt":"2025-08-05T04:43:05","guid":{"rendered":"https:\/\/pocketoption.com\/blog\/news-events\/data\/options-expiry-trading-2\/"},"modified":"2025-08-05T04:45:14","modified_gmt":"2025-08-05T04:45:14","slug":"options-expiry-trading","status":"publish","type":"post","link":"https:\/\/pocketoption.com\/blog\/vt\/interesting\/trading-strategies\/options-expiry-trading\/","title":{"rendered":"Giao d\u1ecbch \u0110\u00e1o h\u1ea1n Quy\u1ec1n ch\u1ecdn: Chi\u1ebfn l\u01b0\u1ee3c H\u00e0ng tu\u1ea7n v\u00e0 H\u00e0ng th\u00e1ng"},"content":{"rendered":"<div id=\"root\"><div id=\"wrap-img-root\"><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":248647,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22],"tags":[2567],"class_list":["post-329145","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trading-strategies","tag-trading"],"acf":{"h1":"Giao d\u1ecbch \u0110\u00e1o h\u1ea1n Quy\u1ec1n ch\u1ecdn: Chi\u1ebfn l\u01b0\u1ee3c H\u00e0ng tu\u1ea7n v\u00e0 H\u00e0ng th\u00e1ng","h1_source":{"label":"H1","type":"text","formatted_value":"Giao d\u1ecbch \u0110\u00e1o h\u1ea1n Quy\u1ec1n ch\u1ecdn: Chi\u1ebfn l\u01b0\u1ee3c H\u00e0ng tu\u1ea7n v\u00e0 H\u00e0ng th\u00e1ng"},"description":"Chi\u1ebfn l\u01b0\u1ee3c chuy\u00ean bi\u1ec7t cho giao d\u1ecbch xung quanh ng\u00e0y h\u1ebft h\u1ea1n quy\u1ec1n ch\u1ecdn bao g\u1ed3m c\u00e1c hi\u1ec7u \u1ee9ng gamma, r\u1ee7i ro pin, v\u00e0 m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng","description_source":{"label":"Description","type":"textarea","formatted_value":"Chi\u1ebfn l\u01b0\u1ee3c chuy\u00ean bi\u1ec7t cho giao d\u1ecbch xung quanh ng\u00e0y h\u1ebft h\u1ea1n quy\u1ec1n ch\u1ecdn bao g\u1ed3m c\u00e1c hi\u1ec7u \u1ee9ng gamma, r\u1ee7i ro pin, v\u00e0 m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng"},"intro":"H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 giao d\u1ecbch theo d\u00f5i bi\u1ec3u \u0111\u1ed3. C\u00e1c nh\u00e0 giao d\u1ecbch th\u00f4ng minh h\u01a1n theo d\u00f5i th\u1eddi gian \u2014 \u0111\u1eb7c bi\u1ec7t khi th\u1eddi gian \u0111\u00f3 \u0111ang ti\u1ebfn t\u1edbi ng\u00e0y h\u1ebft h\u1ea1n c\u1ee7a quy\u1ec1n ch\u1ecdn.Giao d\u1ecbch v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n quy\u1ec1n ch\u1ecdn l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ee3i th\u1ebf m\u1ea1nh m\u1ebd nh\u01b0ng th\u01b0\u1eddng b\u1ecb b\u1ecf qua trong c\u00e1c th\u1ecb tr\u01b0\u1eddng hi\u1ec7n \u0111\u1ea1i. M\u1ed7i th\u1ee9 S\u00e1u, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00e0o th\u1ee9 S\u00e1u th\u1ee9 ba c\u1ee7a th\u00e1ng, h\u00e0ng t\u1ef7 \u0111\u00f4 la trong l\u00e3i su\u1ea5t m\u1edf bi\u1ebfn m\u1ea5t \u2014 bu\u1ed9c c\u00e1c nh\u00e0 giao d\u1ecbch, qu\u1ef9 v\u00e0 nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb ph\u1ea3i \u0111\u00f3ng, chuy\u1ec3n ti\u1ebfp, ho\u1eb7c ph\u00f2ng ng\u1eeba r\u1ee7i ro cho c\u00e1c v\u1ecb th\u1ebf c\u1ee7a h\u1ecd. K\u1ebft qu\u1ea3? S\u1ef1 thay \u0111\u1ed5i thanh kho\u1ea3n, s\u1ef1 gia t\u0103ng bi\u1ebfn \u0111\u1ed9ng, v\u00e0 h\u00e0nh vi gi\u00e1 th\u01b0\u1eddng th\u00e1ch th\u1ee9c logic k\u1ef9 thu\u1eadt.","intro_source":{"label":"Intro","type":"text","formatted_value":"H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 giao d\u1ecbch theo d\u00f5i bi\u1ec3u \u0111\u1ed3. C\u00e1c nh\u00e0 giao d\u1ecbch th\u00f4ng minh h\u01a1n theo d\u00f5i th\u1eddi gian \u2014 \u0111\u1eb7c bi\u1ec7t khi th\u1eddi gian \u0111\u00f3 \u0111ang ti\u1ebfn t\u1edbi ng\u00e0y h\u1ebft h\u1ea1n c\u1ee7a quy\u1ec1n ch\u1ecdn.Giao d\u1ecbch v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n quy\u1ec1n ch\u1ecdn l\u00e0 m\u1ed9t trong nh\u1eefng l\u1ee3i th\u1ebf m\u1ea1nh m\u1ebd nh\u01b0ng th\u01b0\u1eddng b\u1ecb b\u1ecf qua trong c\u00e1c th\u1ecb tr\u01b0\u1eddng hi\u1ec7n \u0111\u1ea1i. M\u1ed7i th\u1ee9 S\u00e1u, v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00e0o th\u1ee9 S\u00e1u th\u1ee9 ba c\u1ee7a th\u00e1ng, h\u00e0ng t\u1ef7 \u0111\u00f4 la trong l\u00e3i su\u1ea5t m\u1edf bi\u1ebfn m\u1ea5t \u2014 bu\u1ed9c c\u00e1c nh\u00e0 giao d\u1ecbch, qu\u1ef9 v\u00e0 nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb ph\u1ea3i \u0111\u00f3ng, chuy\u1ec3n ti\u1ebfp, ho\u1eb7c ph\u00f2ng ng\u1eeba r\u1ee7i ro cho c\u00e1c v\u1ecb th\u1ebf c\u1ee7a h\u1ecd. K\u1ebft qu\u1ea3? S\u1ef1 thay \u0111\u1ed5i thanh kho\u1ea3n, s\u1ef1 gia t\u0103ng bi\u1ebfn \u0111\u1ed9ng, v\u00e0 h\u00e0nh vi gi\u00e1 th\u01b0\u1eddng th\u00e1ch th\u1ee9c logic k\u1ef9 thu\u1eadt."},"body_html":"D\u00f9 b\u1ea1n \u0111ang giao d\u1ecbch c\u1ed5 phi\u1ebfu, ch\u1ec9 s\u1ed1 hay ETF, giao d\u1ecbch ng\u00e0y h\u1ebft h\u1ea1n mang l\u1ea1i nh\u1eefng c\u01a1 h\u1ed9i \u0111\u1ed9c \u0111\u00e1o \u2014 v\u00e0 nh\u1eefng c\u1ea1m b\u1eaby \u0111\u1ed9c \u0111\u00e1o. T\u1eeb r\u1ee7i ro pin gi\u1eef gi\u00e1 g\u1ea7n c\u00e1c \u0111i\u1ec3m quan tr\u1ecdng \u0111\u1ebfn c\u00e1c \u0111\u1ee3t si\u1ebft gamma \u0111\u1ed9t ng\u1ed9t do ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch, th\u1ecb tr\u01b0\u1eddng h\u00e0nh x\u1eed kh\u00e1c bi\u1ec7t g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n.\r\n\r\nV\u00e0 ph\u1ea7n t\u1ed1t nh\u1ea5t? N\u00f3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c.\r\n\r\n<strong>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch:<\/strong>\r\n<ul>\r\n \t<li>Hi\u1ec3u c\u01a1 ch\u1ebf \u0111\u1eb1ng sau vi\u1ec7c h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n v\u00e0 h\u00e0ng th\u00e1ng<\/li>\r\n \t<li>Giao d\u1ecbch xung quanh c\u00e1c m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng v\u00e0 ghim gi\u00e1<\/li>\r\n \t<li>\u0110\u1ecdc ph\u01a1i nhi\u1ec5m gamma v\u00e0 v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch<\/li>\r\n \t<li>Th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c h\u1ebft h\u1ea1n ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1eef li\u1ec7u d\u00f2ng th\u1ef1c<\/li>\r\n<\/ul>\r\nD\u00f9 b\u1ea1n \u0111ang l\u01b0\u1edbt s\u00f3ng SPY v\u00e0o s\u00e1ng th\u1ee9 S\u00e1u hay gi\u1ea3m gi\u00e1 m\u1ed9t \u0111\u1ee3t di chuy\u1ec3n gamma c\u1ee7a Tesla v\u00e0o cu\u1ed1i phi\u00ean \u2014 giao d\u1ecbch h\u1ebft h\u1ea1n mang l\u1ea1i c\u00e1c thi\u1ebft l\u1eadp t\u00e1c \u0111\u1ed9ng cao cho nh\u1eefng ai bi\u1ebft t\u00ecm ki\u1ebfm \u0111i\u1ec1u g\u00ec.\r\n\r\nH\u00e3y c\u00f9ng ph\u00e2n t\u00edch qu\u1ea3 bom h\u1eb9n gi\u1edd.\r\n<h2>\ud83d\udcca Kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i: C\u01a1 ch\u1ebf h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn<\/h2>\r\nTr\u01b0\u1edbc khi b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch c\u00e1c thi\u1ebft l\u1eadp h\u1ebft h\u1ea1n, b\u1ea1n c\u1ea7n hi\u1ec3u \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 x\u1ea3y ra khi m\u1ed9t t\u00f9y ch\u1ecdn h\u1ebft h\u1ea1n \u2014 v\u00e0 t\u1ea1i sao n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1.\r\n<h3>\u23f0 H\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn l\u00e0 g\u00ec?<\/h3>\r\nM\u1ed9t h\u1ee3p \u0111\u1ed3ng t\u00f9y ch\u1ecdn cho ng\u01b0\u1eddi mua quy\u1ec1n (kh\u00f4ng ph\u1ea3i ngh\u0129a v\u1ee5) mua ho\u1eb7c b\u00e1n m\u1ed9t t\u00e0i s\u1ea3n \u1edf m\u1ed9t m\u1ee9c gi\u00e1 nh\u1ea5t \u0111\u1ecbnh (gi\u00e1 th\u1ef1c hi\u1ec7n) tr\u01b0\u1edbc m\u1ed9t ng\u00e0y c\u1ee5 th\u1ec3 \u2014 ng\u00e0y h\u1ebft h\u1ea1n.\r\n\r\nV\u00e0o ng\u00e0y h\u1ebft h\u1ea1n, hai \u0111i\u1ec1u x\u1ea3y ra:\r\n<ol>\r\n \t<li>C\u00e1c t\u00f9y ch\u1ecdn ITM (trong ti\u1ec1n) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u1eb7c thanh to\u00e1n<\/li>\r\n \t<li>C\u00e1c t\u00f9y ch\u1ecdn OTM (ngo\u00e0i ti\u1ec1n) h\u1ebft h\u1ea1n v\u00f4 gi\u00e1 tr\u1ecb<\/li>\r\n<\/ol>\r\nQu\u00e1 tr\u00ecnh \u0111\u00f3 c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n \u2014 nh\u01b0ng khi b\u1ea1n m\u1edf r\u1ed9ng n\u00f3 tr\u00ean h\u00e0ng tri\u1ec7u h\u1ee3p \u0111\u1ed3ng, c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng u\u1ed1n cong xung quanh n\u00f3.\r\n<h3>\u2699\ufe0f \u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi l\u00e3i su\u1ea5t m\u1edf khi h\u1ebft h\u1ea1n?<\/h3>\r\nT\u1ea5t c\u1ea3 l\u00e3i su\u1ea5t m\u1edf (OI) t\u00edch l\u0169y trong m\u1ed9t tu\u1ea7n ho\u1eb7c th\u00e1ng nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i:\r\n<ul>\r\n \t<li>\u0110\u01b0\u1ee3c \u0111\u00f3ng (v\u1ecb tr\u00ed b\u00e1n\/\u0111\u1ed1i \u1ee9ng)<\/li>\r\n \t<li>\u0110\u01b0\u1ee3c chuy\u1ec3n sang k\u1ef3 h\u1ea1n ti\u1ebfp theo<\/li>\r\n \t<li>Ho\u1eb7c \u0111\u1ec3 h\u1ebft h\u1ea1n, \u0111i\u1ec1u n\u00e0y v\u1eabn \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c thanh to\u00e1n<\/li>\r\n<\/ul>\r\nD\u00f2ng ch\u1ea3y n\u00e0y t\u1ea1o ra ho\u1ea1t \u0111\u1ed9ng b\u1eaft bu\u1ed9c \u2014 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thanh kho\u1ea3n, h\u01b0\u1edbng \u0111i v\u00e0 bi\u1ebfn \u0111\u1ed9ng \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 trong 24\u201348 gi\u1edd cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n.\r\n<h3>\ud83d\udcc9 Ph\u01a1i nhi\u1ec5m Gamma &amp; Ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch<\/h3>\r\nC\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n t\u00f9y ch\u1ecdn th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00f2ng ng\u1eeba r\u1ee7i ro delta \u2014 h\u1ecd ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a m\u00ecnh khi gi\u00e1 g\u1ea7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n nh\u1ea5t \u0111\u1ecbnh.\r\n\r\n\u0110\u00e2y l\u00e0 n\u01a1i gamma xu\u1ea5t hi\u1ec7n.\r\n<ul>\r\n \t<li>Gamma \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i delta khi gi\u00e1 di chuy\u1ec3n<\/li>\r\n \t<li>Gamma cao = ph\u00f2ng ng\u1eeba r\u1ee7i ro th\u01b0\u1eddng xuy\u00ean h\u01a1n = gi\u00e1 \"k\u00e9o\" m\u1ea1nh h\u01a1n v\u1ec1 ph\u00eda \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\r\n<\/ul>\r\nK\u1ebft qu\u1ea3? Khi m\u1ed9t c\u1ed5 phi\u1ebfu g\u1ea7n m\u1ed9t m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n l\u1edbn v\u1edbi OI n\u1eb7ng, c\u00e1c nh\u00e0 giao d\u1ecbch ph\u00f2ng ng\u1eeba r\u1ee7i ro m\u1ea1nh m\u1ebd h\u01a1n \u2014 th\u01b0\u1eddng t\u1ea1o ra h\u00e0nh \u0111\u1ed9ng gi\u00e1 t\u1eeb t\u00ednh xung quanh m\u1ee9c \u0111\u00f3.\r\n\r\n\u0110\u00e2y l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a nh\u1eefng g\u00ec nhi\u1ec1u nh\u00e0 giao d\u1ecbch g\u1ecdi l\u00e0 \u201cghim gi\u00e1.\u201d\r\n<h3>\ud83e\udde8 R\u1ee7i ro Pin l\u00e0 g\u00ec?<\/h3>\r\nR\u1ee7i ro pin l\u00e0 r\u1ee7i ro r\u1eb1ng gi\u00e1 s\u1ebd \u1ed5n \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u1ea1i m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn khi h\u1ebft h\u1ea1n \u2014 \u0111\u1ec3 l\u1ea1i s\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 vi\u1ec7c li\u1ec7u c\u00e1c t\u00f9y ch\u1ecdn ng\u1eafn h\u1ea1n c\u1ee7a b\u1ea1n c\u00f3 b\u1ecb g\u00e1n hay kh\u00f4ng.\r\n\r\nNh\u01b0ng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch t\u00edch c\u1ef1c, \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t r\u1ee7i ro \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u. Khi b\u1ea1n th\u1ea5y gi\u00e1 l\u01a1 l\u1eedng quanh m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n OI cao v\u00e0o cu\u1ed1i ng\u00e0y th\u1ee9 S\u00e1u, c\u00f3 kh\u1ea3 n\u0103ng cao \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean.\r\nM\u1ee9c \u0111\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u0111i\u1ec3m tr\u1ecdng l\u1ef1c \u2014 l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft l\u1eadp ng\u1eafn h\u1ea1n.\r\n<h3>\ud83d\udcbc D\u00f2ng ch\u1ea3y t\u1ed5 ch\u1ee9c xung quanh ng\u00e0y h\u1ebft h\u1ea1n<\/h3>\r\n<ul>\r\n \t<li>C\u00e1c qu\u1ef9 th\u01b0\u1eddng \u0111i\u1ec1u ch\u1ec9nh c\u00e1c ph\u00f2ng ng\u1eeba r\u1ee7i ro l\u1edbn g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/li>\r\n \t<li>C\u00e1c nh\u00e0 giao d\u1ecbch c\u00e2n b\u1eb1ng l\u1ea1i ph\u01a1i nhi\u1ec5m gamma v\u00e0 vega<\/li>\r\n \t<li>H\u1ebft h\u1ea1n ch\u1ec9 s\u1ed1 (v\u00ed d\u1ee5: SPX, QQQ) c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t d\u00f2ng ch\u1ea3y h\u00e0ng t\u1ef7 \u0111\u00f4 la v\u00e0o cu\u1ed1i phi\u00ean<\/li>\r\n<\/ul>\r\nT\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c bi\u1ebfn d\u1ea1ng t\u1ea1m th\u1eddi \u2014 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch n\u1ebfu b\u1ea1n hi\u1ec3u c\u01a1 ch\u1ebf.\r\n\r\nN\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi t\u1ea1i sao m\u1ed9t c\u1ed5 phi\u1ebfu \u201ct\u1eeb ch\u1ed1i ph\u00e1 v\u1ee1\u201d m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh v\u00e0o th\u1ee9 S\u00e1u \u2014 \u0111\u00e2y l\u00e0 l\u00fd do.\r\n<h2>\ud83d\udcc8 M\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n: \u0110i\u1ec1u g\u00ec x\u1ea3y ra tr\u01b0\u1edbc khi \u0111\u1ed3ng h\u1ed3 ch\u1ea1y h\u1ebft<\/h2>\r\nH\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ec1 m\u1ee9c gi\u00e1 \u2014 n\u00f3 c\u00f2n l\u00e0 v\u1ec1 n\u00e9n v\u00e0 gi\u1ea3i ph\u00f3ng bi\u1ebfn \u0111\u1ed9ng. Hi\u1ec3u c\u00e1ch bi\u1ebfn \u0111\u1ed9ng ng\u1ee5 \u00fd (IV) h\u00e0nh x\u1eed g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n c\u00e1c \u0111\u1ed9ng th\u00e1i, qu\u1ea3n l\u00fd r\u1ee7i ro v\u00e0 th\u1eadm ch\u00ed \u0111\u1ecbnh v\u1ecb cho s\u1ef1 s\u1ee5p \u0111\u1ed5 vol ho\u1eb7c \u0111\u1ed9t bi\u1ebfn gamma.\r\n<h3>\ud83d\udcc9 Bi\u1ebfn \u0111\u1ed9ng c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n \u2014 Nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng v\u1eady<\/h3>\r\nKhi ng\u00e0y h\u1ebft h\u1ea1n \u0111\u1ebfn g\u1ea7n, gi\u00e1 tr\u1ecb th\u1eddi gian trong c\u00e1c t\u00f9y ch\u1ecdn gi\u1ea3m nhanh h\u01a1n \u2014 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 suy gi\u1ea3m theta. \u0110i\u1ec1u n\u00e0y t\u1ef1 nhi\u00ean l\u00e0m gi\u1ea3m IV, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ee3p \u0111\u1ed3ng ngo\u00e0i ti\u1ec1n.\r\n\r\nNh\u01b0ng c\u00f3 m\u1ed9t s\u1ef1 xo\u1eafn: ngay tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n, bi\u1ebfn \u0111\u1ed9ng c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t ng\u1ed9t \u2014 \u0111\u1eb7c bi\u1ec7t khi:\r\n<ul>\r\n \t<li>T\u00e0i s\u1ea3n c\u01a1 b\u1ea3n g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/li>\r\n \t<li>C\u00e1c s\u1ef1 ki\u1ec7n tin t\u1ee9c tr\u00f9ng v\u1edbi ng\u00e0y h\u1ebft h\u1ea1n<\/li>\r\n \t<li>C\u00e1c nh\u00e0 giao d\u1ecbch bu\u1ed9c ph\u1ea3i ph\u00f2ng ng\u1eeba r\u1ee7i ro m\u1ea1nh m\u1ebd do gamma cao<\/li>\r\n<\/ul>\r\n<strong>\u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c \u0111\u1ed9ng l\u1ef1c m\u00e2u thu\u1eabn:<\/strong>\r\n<div tabindex=\"0\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Giai \u0111o\u1ea1n<\/th>\r\n<th>H\u00e0nh vi bi\u1ebfn \u0111\u1ed9ng<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>3\u20135 ng\u00e0y tr\u01b0\u1edbc<\/td>\r\n<td>IV gi\u1ea3m ch\u1eadm (suy gi\u1ea3m theta)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>24 gi\u1edd cu\u1ed1i c\u00f9ng<\/td>\r\n<td>IV c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t ng\u1ed9t do c\u0103ng th\u1eb3ng gamma ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng ch\u1ea3y<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Sau khi h\u1ebft h\u1ea1n<\/td>\r\n<td>IV s\u1ee5p \u0111\u1ed5 (s\u1ee5p \u0111\u1ed5 vol), \u0111\u1eb7c bi\u1ec7t sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<h4>\u26a0\ufe0f S\u1ee5p \u0111\u1ed5 Vol: H\u1eadu qu\u1ea3 c\u1ee7a ng\u00e0y h\u1ebft h\u1ea1n<\/h4>\r\nM\u1ed9t trong nh\u1eefng l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng nh\u1ea5t trong giao d\u1ecbch h\u1ebft h\u1ea1n l\u00e0 s\u1ef1 s\u1ee5p \u0111\u1ed5 vol \u2014 khi bi\u1ebfn \u0111\u1ed9ng ng\u1ee5 \u00fd gi\u1ea3m m\u1ea1nh ngay sau khi c\u00e1c t\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng h\u1ebft h\u1ea1n.\r\n<ul>\r\n \t<li>C\u00e1c nh\u00e0 giao d\u1ecbch n\u1eafm gi\u1eef c\u00e1c quy\u1ec1n ch\u1ecdn mua ho\u1eb7c b\u00e1n d\u00e0i h\u1ea1n cho c\u00e1c \u0111\u1ed9ng th\u00e1i \u0111\u1ea7u c\u01a1 gi\u1ea3i ph\u00f3ng v\u1ecb tr\u00ed<\/li>\r\n \t<li>C\u00e1c nh\u00e0 giao d\u1ecbch lo\u1ea1i b\u1ecf ph\u00f2ng ng\u1eeba r\u1ee7i ro<\/li>\r\n \t<li>Th\u1ecb tr\u01b0\u1eddng tr\u1edf l\u1ea1i ch\u1ebf \u0111\u1ed9 vol \u201cb\u00ecnh th\u01b0\u1eddng\u201d<\/li>\r\n<\/ul>\r\nS\u1ef1 gi\u1ea3m IV n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c thi\u1ebft l\u1eadp h\u1ed3i quy trung b\u00ecnh ng\u1eafn h\u1ea1n, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ean qu\u00e1 mua\/qu\u00e1 b\u00e1n.\r\n<h4>\ud83d\udd01 Si\u1ebft Gamma vs. Phai Gamma<\/h4>\r\nHi\u1ec3u c\u1ea5u tr\u00fac gamma gi\u00fap gi\u1ea3i m\u00e3 h\u00e0nh vi h\u1ebft h\u1ea1n:\r\n<ul>\r\n \t<li><strong>Si\u1ebft Gamma:<\/strong> Khi mua quy\u1ec1n ch\u1ecdn mua n\u1eb7ng bu\u1ed9c c\u00e1c nh\u00e0 giao d\u1ecbch ph\u1ea3i mua v\u00e0o c\u00e1c \u0111\u1ee3t t\u0103ng gi\u00e1 (khu\u1ebfch \u0111\u1ea1i \u0111\u00e0 t\u0103ng)<\/li>\r\n \t<li><strong>Phai Gamma:<\/strong> Khi h\u1ebft h\u1ea1n lo\u1ea1i b\u1ecf \u00e1p l\u1ef1c ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch, v\u00e0 gi\u00e1 h\u1ed3i quy trung b\u00ecnh<\/li>\r\n<\/ul>\r\nC\u1ea3 hai k\u1ecbch b\u1ea3n \u0111\u1ec1u ph\u1ed5 bi\u1ebfn xung quanh c\u00e1c t\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n v\u1edbi OI l\u1edbn \u1edf c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n g\u1ea7n \u0111\u00f3.\r\nBi\u1ebft li\u1ec7u th\u1ecb tr\u01b0\u1eddng l\u00e0 gamma d\u01b0\u01a1ng hay gamma trung t\u00ednh c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m v\u00e0o v\u00e0 ra v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n.\r\n<h4>\ud83e\udde0 Giao d\u1ecbch bi\u1ebfn \u0111\u1ed9ng v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n<\/h4>\r\nM\u1ed9t s\u1ed1 nh\u00e0 giao d\u1ecbch chuy\u00ean v\u1ec1:\r\n<ul>\r\n \t<li>B\u00e1n quy\u1ec1n ch\u1ecdn ngay tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n khi IV b\u1ecb th\u1ed5i ph\u1ed3ng<\/li>\r\n \t<li>L\u01b0\u1edbt s\u00f3ng c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 khi bi\u1ebfn \u0111\u1ed9ng t\u0103ng \u0111\u1ed9t ng\u1ed9t g\u1ea7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/li>\r\n \t<li>Mua theo h\u01b0\u1edbng khi h\u1ebft h\u1ea1n l\u00e0m s\u1ea1ch b\u1ea3ng quy\u1ec1n ch\u1ecdn v\u00e0 gi\u00e1 \u201ctho\u00e1t kh\u1ecfi\u201d v\u00e0o th\u1ee9 Hai ti\u1ebfp theo<\/li>\r\n<\/ul>\r\nBi\u1ebft khi n\u00e0o bi\u1ebfn \u0111\u1ed9ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ho\u1eb7c co l\u1ea1i mang l\u1ea1i cho b\u1ea1n m\u1ed9t l\u1ee3i th\u1ebf nghi\u00eam tr\u1ecdng \u2014 \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft l\u1eadp zero-DTE (ng\u00e0y \u0111\u1ebfn h\u1ea1n).\r\n\r\nH\u1ebft h\u1ea1n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u1eddi h\u1ea1n \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t van \u00e1p su\u1ea5t. V\u00e0 khi \u00e1p su\u1ea5t \u0111\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, c\u00e1c giao d\u1ecbch bi\u1ebfn \u0111\u1ed9ng xu\u1ea5t hi\u1ec7n.\r\n<h2>\ud83d\udcc6 T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n vs. h\u00e0ng th\u00e1ng: Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh m\u00e0 nh\u00e0 giao d\u1ecbch c\u1ea7n bi\u1ebft<\/h2>\r\nKh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c ng\u00e0y h\u1ebft h\u1ea1n \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 nhau. T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n v\u00e0 h\u00e0ng th\u00e1ng h\u00e0nh x\u1eed r\u1ea5t kh\u00e1c nhau \u2014 v\u1ec1 d\u00f2ng ch\u1ea3y, ng\u01b0\u1eddi tham gia, thanh kho\u1ea3n v\u00e0 c\u00e1ch gi\u00e1 ph\u1ea3n \u1ee9ng g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n.\r\n\r\nHi\u1ec3u nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a m\u00ecnh cho ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i thi\u1ebft l\u1eadp h\u1ebft h\u1ea1n.\r\n<h3>\ud83d\udcc5 T\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng: Chi\u1ebfn tr\u01b0\u1eddng c\u1ee7a t\u1ed5 ch\u1ee9c<\/h3>\r\nT\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng (th\u01b0\u1eddng h\u1ebft h\u1ea1n v\u00e0o th\u1ee9 S\u00e1u th\u1ee9 ba c\u1ee7a m\u1ed7i th\u00e1ng) l\u00e0 n\u01a1i c\u00e1c t\u1ed5 ch\u1ee9c t\u1eadp trung quy m\u00f4. B\u1ea1n s\u1ebd th\u01b0\u1eddng th\u1ea5y l\u00e3i su\u1ea5t m\u1edf l\u1edbn, \u0111\u1eb7c bi\u1ec7t trong:\r\n<ul>\r\n \t<li>SPX \/ SPY<\/li>\r\n \t<li>QQQ \/ NDX<\/li>\r\n \t<li>C\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn nh\u01b0 AAPL, MSFT, TSLA<\/li>\r\n<\/ul>\r\n<strong>T\u1ea1i sao ch\u00fang quan tr\u1ecdng:<\/strong>\r\n<ul>\r\n \t<li>C\u00e1c qu\u1ef9 ch\u1ec9 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i v\u1ecb tr\u00ed l\u1edbn \u1edf \u0111\u00e2y<\/li>\r\n \t<li>Ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch c\u00f3 ph\u01a1i nhi\u1ec5m gamma l\u1edbn h\u01a1n<\/li>\r\n \t<li>S\u1ee5p \u0111\u1ed5 vol m\u1ea1nh nh\u1ea5t sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/li>\r\n \t<li>Tin t\u1ee9c v\u0129 m\u00f4 c\u00f3 xu h\u01b0\u1edbng t\u1eadp trung v\u00e0o cu\u1ed1i th\u00e1ng<\/li>\r\n<\/ul>\r\nH\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng c\u00f3 xu h\u01b0\u1edbng neo gi\u1eef chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 \u2014 b\u1ea1n s\u1ebd th\u01b0\u1eddng th\u1ea5y h\u00e0nh vi ghim quanh c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi l\u00e3i su\u1ea5t m\u1edf \u0111\u01b0\u1ee3c x\u1ebfp l\u1edbp.\r\n<h3>\ud83d\udcc6 T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n: V\u0169 kh\u00ed bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n<\/h3>\r\nT\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n (h\u1ebft h\u1ea1n v\u00e0o m\u1ed7i th\u1ee9 S\u00e1u) ph\u1ed5 bi\u1ebfn v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb, nh\u00e0 \u0111\u1ea7u c\u01a1 ng\u1eafn h\u1ea1n v\u00e0 ng\u01b0\u1eddi l\u01b0\u1edbt s\u00f3ng quy\u1ec1n ch\u1ecdn. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o:\r\n<ul>\r\n \t<li>\u0110\u1ed9ng th\u00e1i thu nh\u1eadp<\/li>\r\n \t<li>S\u1ef1 ki\u1ec7n tin t\u1ee9c<\/li>\r\n \t<li>B\u00f9ng n\u1ed5 ho\u1eb7c phai m\u1edd<\/li>\r\n \t<li>Giao d\u1ecbch \u0111\u1ed9ng l\u01b0\u1ee3ng c\u00f9ng ng\u00e0y<\/li>\r\n<\/ul>\r\n<strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh:<\/strong>\r\n<ul>\r\n \t<li>Thanh kho\u1ea3n th\u1ea5p h\u01a1n so v\u1edbi h\u00e0ng th\u00e1ng (tr\u1eeb c\u00e1c t\u00ean c\u00f3 thanh kho\u1ea3n cao nh\u01b0 SPY, TSLA)<\/li>\r\n \t<li>T\u00e1c \u0111\u1ed9ng gamma b\u00f9ng n\u1ed5 h\u01a1n nh\u01b0ng ng\u1eafn h\u1ea1n h\u01a1n<\/li>\r\n \t<li>T\u1ed1t h\u01a1n cho c\u00e1c thi\u1ebft l\u1eadp phai m\u1edd ho\u1eb7c \u201cch\u01a1i ghim\u201d khi gi\u00e1 d\u00ednh v\u00e0o c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\r\n \t<li>D\u1ec5 b\u1ecb thao t\u00fang v\u00e0 di chuy\u1ec3n gi\u1ea3 (\u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ean c\u00f3 s\u1ed1 l\u01b0\u1ee3ng c\u1ed5 phi\u1ebfu th\u1ea5p)<\/li>\r\n<\/ul>\r\n<h3>\ud83e\uddea S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u00e0nh vi<\/h3>\r\n<div tabindex=\"0\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\r\n<th>T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n<\/th>\r\n<th>T\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Ai giao d\u1ecbch<\/td>\r\n<td>B\u00e1n l\u1ebb, ng\u1eafn h\u1ea1n<\/td>\r\n<td>Qu\u1ef9, t\u1ed5 ch\u1ee9c<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>R\u1ee7i ro gamma<\/td>\r\n<td>Cao trong ng\u00e0y<\/td>\r\n<td>Cao v\u00e0o cu\u1ed1i phi\u00ean<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Hi\u1ec7u \u1ee9ng ghim<\/td>\r\n<td>Th\u01b0\u1eddng 30\u201360 ph\u00fat tr\u01b0\u1edbc<\/td>\r\n<td>C\u1ea3 ng\u00e0y quanh c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Bi\u1ebfn \u0111\u1ed9ng sau khi h\u1ebft h\u1ea1n<\/td>\r\n<td>Th\u01b0\u1eddng thi\u1ebft l\u1eadp l\u1ea1i nhanh ch\u00f3ng<\/td>\r\n<td>S\u1ee5p \u0111\u1ed5 vol l\u1edbn h\u01a1n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>C\u1ea5u tr\u00fac d\u00f2ng ch\u1ea3y<\/td>\r\n<td>D\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n, chi\u1ebfn thu\u1eadt<\/td>\r\n<td>Ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u0129 m\u00f4\/c\u1ea5p \u0111\u1ed9 danh m\u1ee5c \u0111\u1ea7u t\u01b0<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<strong>H\u00e0m \u00fd giao d\u1ecbch:<\/strong>\r\n<ul>\r\n \t<li>S\u1eed d\u1ee5ng h\u00e0ng tu\u1ea7n cho c\u00e1c giao d\u1ecbch chi\u1ebfn thu\u1eadt: l\u01b0\u1edbt s\u00f3ng b\u00f9ng n\u1ed5 ng\u1eafn h\u1ea1n, ch\u01a1i ghim trong ng\u00e0y, ho\u1eb7c ch\u01a1i tin t\u1ee9c<\/li>\r\n \t<li>S\u1eed d\u1ee5ng h\u00e0ng th\u00e1ng cho c\u00e1c thi\u1ebft l\u1eadp h\u1ebft h\u1ea1n v\u1ecb tr\u00ed: t\u01b0\u1eddng gamma, phai m\u1edd s\u1ee5p \u0111\u1ed5 vol, ho\u1eb7c kh\u1edfi \u0111\u1ea7u xu h\u01b0\u1edbng sau khi h\u1ebft h\u1ea1n<\/li>\r\n<\/ul>\r\nB\u1eb1ng c\u00e1ch kh\u1edbp chi\u1ebfn l\u01b0\u1ee3c v\u1edbi l\u1ecbch, b\u1ea1n t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh v\u1edbi h\u00e0nh vi th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c nh\u00e0 tham gia th\u1ecb tr\u01b0\u1eddng \u0111\u1eb1ng sau d\u00f2ng ch\u1ea3y.\r\n<h2>\ud83d\udcc9 Hi\u1ec7u \u1ee9ng Gamma v\u00e0 Ghim gi\u00e1: Khi t\u00f9y ch\u1ecdn ki\u1ec3m so\u00e1t bi\u1ec3u \u0111\u1ed3<\/h2>\r\nM\u1ed9t trong nh\u1eefng l\u1ef1c l\u01b0\u1ee3ng m\u1ea1nh m\u1ebd nh\u1ea5t \u2014 v\u00e0 b\u1ecb hi\u1ec3u l\u1ea7m nh\u1ea5t \u2014 trong giao d\u1ecbch h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn l\u00e0 ph\u01a1i nhi\u1ec5m gamma. N\u00f3 kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n gi\u00e1\u2026 n\u00f3 c\u00f3 th\u1ec3 b\u1eaby gi\u00e1 nh\u01b0 m\u1ed9t nam ch\u00e2m.\r\n\r\n\u0110\u00e2y l\u00e0 n\u01a1i ghim gi\u00e1 xu\u1ea5t hi\u1ec7n \u2014 v\u00e0 n\u00f3 l\u00e0 m\u1ed9t m\u1ecf v\u00e0ng cho c\u00e1c nh\u00e0 giao d\u1ecbch ng\u1eafn h\u1ea1n bi\u1ebft t\u00ecm ki\u1ebfm \u0111i\u1ec1u g\u00ec.\r\n<h3>\u2699\ufe0f Gamma l\u00e0 g\u00ec?<\/h3>\r\nGamma \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 thay \u0111\u1ed5i delta v\u1edbi m\u1ed7i chuy\u1ec3n \u0111\u1ed9ng $1 trong t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n.\r\n<ul>\r\n \t<li>M\u1ed9t ng\u01b0\u1eddi b\u00e1n t\u00f9y ch\u1ecdn trung l\u1eadp delta (v\u00ed d\u1ee5: m\u1ed9t nh\u00e0 t\u1ea1o l\u1eadp th\u1ecb tr\u01b0\u1eddng) ph\u1ea3i ph\u00f2ng ng\u1eeba r\u1ee7i ro gamma \u0111\u00f3 b\u1eb1ng c\u00e1ch mua ho\u1eb7c b\u00e1n c\u1ed5 phi\u1ebfu.<\/li>\r\n \t<li>Gamma c\u00e0ng cao, vi\u1ec7c ph\u00f2ng ng\u1eeba r\u1ee7i ro \u0111\u00f3 c\u00e0ng di\u1ec5n ra m\u1ea1nh m\u1ebd khi gi\u00e1 g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n.<\/li>\r\n<\/ul>\r\nV\u00ec v\u1eady, khi gi\u00e1 l\u01a1 l\u1eedng g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi l\u00e3i su\u1ea5t m\u1edf l\u1edbn, c\u00e1c nh\u00e0 giao d\u1ecbch li\u00ean t\u1ee5c ph\u00f2ng ng\u1eeba r\u1ee7i ro qua l\u1ea1i \u2014 t\u1ea1o ra m\u1ed9t l\u1ef1c h\u00fat tr\u1ecdng l\u1ef1c gi\u1eef gi\u00e1 g\u1ea7n m\u1ee9c \u0111\u00f3.\r\n<h3>\ud83e\uddf2 Ghim gi\u00e1 l\u00e0 g\u00ec?<\/h3>\r\nGhim gi\u00e1 l\u00e0 xu h\u01b0\u1edbng c\u1ee7a t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n \u201cd\u00ednh\u201d v\u00e0o m\u1ed9t m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 s\u1ef1 t\u1eadp trung gamma cao.\r\n\r\n<strong>V\u00ed d\u1ee5:<\/strong>\r\n<ul>\r\n \t<li>SPY c\u00f3 h\u01a1n 400,000 quy\u1ec1n ch\u1ecdn mua v\u00e0 b\u00e1n \u1edf m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n $450 h\u1ebft h\u1ea1n h\u00f4m nay<\/li>\r\n \t<li>Gi\u00e1 giao d\u1ecbch gi\u1eefa $449.80 v\u00e0 $450.20 trong 2 gi\u1edd cu\u1ed1i c\u1ee7a th\u1ee9 S\u00e1u<\/li>\r\n \t<li>\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean \u2014 \u0111\u00f3 l\u00e0 ghim gamma<\/li>\r\n<\/ul>\r\n<strong>T\u1ea1i sao?<\/strong> C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 \u0111\u1ed9ng l\u1ef1c gi\u1eef gi\u00e1 \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro ph\u00f2ng ng\u1eeba v\u00e0 tr\u00e1nh m\u1ea5t c\u00e2n b\u1eb1ng thanh to\u00e1n.\r\n<h3>\ud83d\udd25 Khi n\u00e0o ghim quan tr\u1ecdng?<\/h3>\r\n<ul>\r\n \t<li>2 gi\u1edd cu\u1ed1i c\u00f9ng c\u1ee7a ng\u00e0y h\u1ebft h\u1ea1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 th\u1ee9 S\u00e1u cho h\u00e0ng tu\u1ea7n, ho\u1eb7c 10AM\u20133PM cho SPX h\u00e0ng th\u00e1ng)<\/li>\r\n \t<li>Khi c\u00f3 m\u1ed9t m\u1ee9c \u201c\u0111au t\u1ed1i \u0111a\u201d r\u00f5 r\u00e0ng n\u01a1i h\u1ea7u h\u1ebft c\u00e1c t\u00f9y ch\u1ecdn h\u1ebft h\u1ea1n v\u00f4 gi\u00e1 tr\u1ecb<\/li>\r\n \t<li>Khi bi\u1ebfn \u0111\u1ed9ng gi\u1ea3m v\u00e0 chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 n\u00e9n g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\r\n<\/ul>\r\n<h3>\ud83d\udca5 Gia t\u1ed1c Gamma vs. N\u00e9n Gamma<\/h3>\r\nGamma kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng b\u1eaby gi\u00e1 \u2014 \u0111\u00f4i khi n\u00f3 khu\u1ebfch \u0111\u1ea1i c\u00e1c \u0111\u1ed9ng th\u00e1i.\r\n<div tabindex=\"0\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>K\u1ecbch b\u1ea3n<\/th>\r\n<th>H\u00e0nh vi<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Gi\u00e1 xa kh\u1ecfi \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/td>\r\n<td>Gamma th\u1ea5p \u2192 \u00edt ph\u00f2ng ng\u1eeba r\u1ee7i ro \u2192 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Gi\u00e1 g\u1ea7n \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi OI cao<\/td>\r\n<td>Gamma cao \u2192 ph\u00f2ng ng\u1eeba r\u1ee7i ro li\u00ean t\u1ee5c \u2192 gi\u00e1 b\u1ecb kh\u00f3a<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Ph\u00e1 v\u1ee1 \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi gamma d\u01b0\u01a1ng<\/td>\r\n<td>C\u00e1c nh\u00e0 giao d\u1ecbch mua \u2192 khu\u1ebfch \u0111\u1ea1i \u0111\u00e0 t\u0103ng<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Ph\u00e1 v\u1ee1 \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi gamma \u00e2m<\/td>\r\n<td>C\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n \u2192 th\u00fac \u0111\u1ea9y \u0111\u00e0 gi\u1ea3m<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\nBi\u1ebft li\u1ec7u c\u00e1c nh\u00e0 giao d\u1ecbch \u0111ang d\u00e0i hay ng\u1eafn gamma mang l\u1ea1i cho b\u1ea1n m\u1ed9t l\u1ee3i th\u1ebf trong vi\u1ec7c d\u1ef1 \u0111o\u00e1n li\u1ec7u gi\u00e1 s\u1ebd d\u00ednh hay b\u00f9ng n\u1ed5.\r\n<h3>\ud83d\udcca SpotGamma &amp; B\u1ea3n \u0111\u1ed3 Gamma<\/h3>\r\nC\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 SpotGamma, Tier1Alpha, ho\u1eb7c Options AI cung c\u1ea5p:\r\n<ul>\r\n \t<li>H\u1ed3 s\u01a1 gamma theo \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\r\n \t<li>Ph\u01a1i nhi\u1ec5m gamma t\u00edch l\u0169y theo ng\u00e0y h\u1ebft h\u1ea1n<\/li>\r\n \t<li>D\u1ef1 b\u00e1o v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch theo th\u1eddi gian th\u1ef1c<\/li>\r\n<\/ul>\r\nC\u00e1c b\u1ea3n \u0111\u1ed3 n\u00e0y gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n n\u01a1i gi\u00e1 c\u00f3 th\u1ec3 ghim \u2014 ho\u1eb7c ph\u00e1 v\u1ee1 \u2014 d\u1ef1a tr\u00ean \u00e1p l\u1ef1c gamma.\r\n\r\nKhi b\u1ea1n th\u1ea5y gi\u00e1 d\u1eebng l\u1ea1i g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u00e0o th\u1ee9 S\u00e1u, \u0111\u1eebng h\u1ecfi, \u201cT\u1ea1i sao n\u00f3 b\u1ecb k\u1eb9t?\u201d H\u00e3y h\u1ecfi, \u201cAi \u0111ang ph\u00f2ng ng\u1eeba r\u1ee7i ro \u2014 v\u00e0 h\u1ecd \u0111\u00e3 xong ch\u01b0a?\u201d\r\n<h2>\ud83e\udde0 R\u1ee7i ro Pin &amp; V\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch: Hi\u1ec3u c\u00e1c l\u1ef1c \u1ea9n<\/h2>\r\nH\u1ea7u h\u1ebft c\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb ngh\u0129 r\u1eb1ng gi\u00e1 di chuy\u1ec3n ng\u1eabu nhi\u00ean. Nh\u01b0ng g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn, gi\u00e1 th\u01b0\u1eddng di chuy\u1ec3n (ho\u1eb7c kh\u00f4ng di chuy\u1ec3n) v\u00ec m\u1ed9t l\u00fd do r\u1ea5t c\u1ee5 th\u1ec3: v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch.\r\n\r\nHi\u1ec3u r\u1ee7i ro pin v\u00e0 c\u00e1ch c\u00e1c nh\u00e0 giao d\u1ecbch qu\u1ea3n l\u00fd ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a h\u1ecd gi\u00fap gi\u1ea3i th\u00edch t\u1ea1i sao th\u1ecb tr\u01b0\u1eddng \u0111\u00f4i khi d\u1eebng l\u1ea1i \u1edf c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n quan tr\u1ecdng \u2014 ho\u1eb7c \u0111\u1ed9t ng\u1ed9t ph\u00e1 v\u1ee1.\r\n<h3>\ud83d\udccc R\u1ee7i ro Pin l\u00e0 g\u00ec?<\/h3>\r\nR\u1ee7i ro pin x\u1ea3y ra khi gi\u00e1 th\u1ef1c hi\u1ec7n c\u1ee7a m\u1ed9t t\u00f9y ch\u1ecdn r\u1ea5t g\u1ea7n v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng khi h\u1ebft h\u1ea1n, v\u00e0 nh\u00e0 giao d\u1ecbch kh\u00f4ng th\u1ec3 ch\u1eafc ch\u1eafn li\u1ec7u t\u00f9y ch\u1ecdn c\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n hay kh\u00f4ng.\r\n\r\n<strong>V\u00ed d\u1ee5:<\/strong>\r\n<ul>\r\n \t<li>B\u1ea1n \u0111ang ng\u1eafn m\u1ed9t quy\u1ec1n ch\u1ecdn b\u00e1n $100<\/li>\r\n \t<li>C\u1ed5 phi\u1ebfu \u0111\u00f3ng c\u1eeda \u1edf m\u1ee9c $100.01<\/li>\r\n \t<li>N\u00f3 c\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n kh\u00f4ng? C\u00f3 th\u1ec3. C\u00f3 th\u1ec3 kh\u00f4ng.<\/li>\r\n<\/ul>\r\nS\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn n\u00e0y t\u1ea1o ra r\u1ee7i ro cho c\u00e1c nh\u00e0 giao d\u1ecbch, \u0111\u1eb7c bi\u1ec7t n\u1ebfu h\u1ecd ng\u1eafn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c h\u1ee3p \u0111\u1ed3ng. Nh\u01b0ng quan tr\u1ecdng h\u01a1n \u2014 n\u00f3 c\u0169ng t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh h\u00e0nh vi trong h\u00e0nh \u0111\u1ed9ng gi\u00e1.\r\n<h3>\ud83c\udfaf T\u1ea1i sao c\u00e1c nh\u00e0 giao d\u1ecbch mu\u1ed1n gi\u00e1 \u1edf l\u1ea1i \u201cghim\u201d<\/h3>\r\nC\u00e1c nh\u00e0 giao d\u1ecbch ng\u1eafn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn quy\u1ec1n ch\u1ecdn mua v\u00e0 b\u00e1n g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n th\u01b0\u1eddng trung l\u1eadp delta. \u0110\u1ec3 duy tr\u00ec nh\u01b0 v\u1eady, h\u1ecd li\u00ean t\u1ee5c ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u1edbi c\u1ed5 phi\u1ebfu c\u01a1 b\u1ea3n.\r\n\r\nG\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, c\u00e1c ph\u00f2ng ng\u1eeba r\u1ee7i ro n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh nhanh ch\u00f3ng khi gi\u00e1 di chuy\u1ec3n th\u1eadm ch\u00ed ch\u1ec9 v\u00e0i cent. V\u00ec v\u1eady, nhi\u1ec1u nh\u00e0 giao d\u1ecbch c\u00f3 \u0111\u1ed9ng l\u1ef1c \u0111\u1ec3:\r\n<ul>\r\n \t<li>Gi\u1eef gi\u00e1 c\u00e0ng g\u1ea7n c\u00e0ng t\u1ed1t v\u1edbi c\u00e1c m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n l\u1edbn<\/li>\r\n \t<li>Tr\u00e1nh c\u00e1c \u0111\u1ed9ng th\u00e1i m\u1ea1nh m\u1ebd l\u00e0m t\u0103ng chi ph\u00ed ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a h\u1ecd<\/li>\r\n \t<li>\u0110\u1ec3 th\u1eddi gian l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u00e1c t\u00f9y ch\u1ecdn, thay v\u00ec ph\u1ea3i tr\u1ea3 ti\u1ec1n<\/li>\r\n<\/ul>\r\n\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n s\u1ebd th\u01b0\u1eddng th\u1ea5y c\u00e1c ph\u1ea1m vi ch\u1eb7t ch\u1ebd, bi\u1ebfn \u0111\u1ed9ng th\u1ea5p v\u00e0o gi\u1edd cu\u1ed1i c\u00f9ng c\u1ee7a ng\u00e0y h\u1ebft h\u1ea1n \u2014 \u0111\u1eb7c bi\u1ec7t quanh c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u00e3i su\u1ea5t m\u1edf l\u1edbn.\r\n<h3>\ud83d\udcc9 V\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch v\u00e0 \u0111\u1ed9ng l\u1ef1c gamma<\/h3>\r\nT\u00e1c \u0111\u1ed9ng c\u1ee7a nh\u00e0 giao d\u1ecbch ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c h\u1ecd \u0111ang:\r\n<div tabindex=\"0\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>V\u1ecb tr\u00ed<\/th>\r\n<th>Hi\u1ec7u \u1ee9ng<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Ng\u1eafn gamma<\/td>\r\n<td>H\u1ecd ph\u00f2ng ng\u1eeba r\u1ee7i ro ch\u1ed1ng l\u1ea1i c\u00e1c \u0111\u1ed9ng th\u00e1i gi\u00e1 \u2192 mua v\u00e0o y\u1ebfu, b\u00e1n v\u00e0o m\u1ea1nh \u2192 gi\u1ea3m bi\u1ebfn \u0111\u1ed9ng<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>D\u00e0i gamma<\/td>\r\n<td>H\u1ecd ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u1edbi c\u00e1c \u0111\u1ed9ng th\u00e1i gi\u00e1 \u2192 mua v\u00e0o m\u1ea1nh, b\u00e1n v\u00e0o y\u1ebfu \u2192 khu\u1ebfch \u0111\u1ea1i bi\u1ebfn \u0111\u1ed9ng<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\nG\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, gamma t\u0103ng nhanh ch\u00f3ng, c\u00f3 ngh\u0129a l\u00e0 ngay c\u1ea3 nh\u1eefng thay \u0111\u1ed5i gi\u00e1 nh\u1ecf c\u0169ng y\u00eau c\u1ea7u \u0111i\u1ec1u ch\u1ec9nh ph\u00f2ng ng\u1eeba r\u1ee7i ro l\u1edbn \u2014 \u0111\u00e2y l\u00e0 g\u1ed1c r\u1ec5 c\u1ee7a nhi\u1ec1u \u0111\u1ed9ng th\u00e1i \u201cnghi\u1ec1n\u201d ho\u1eb7c \u201ctu\u00f4n\u201d v\u00e0o th\u1ee9 S\u00e1u.\r\n<h3>\ud83e\udded C\u00e1ch \u0111\u1ecdc v\u1ecb tr\u00ed<\/h3>\r\nB\u1ea1n c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh d\u00f2ng ch\u1ea3y v\u00e0 v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng:\r\n<ul>\r\n \t<li>C\u00e1c m\u1ee9c \u0111au t\u1ed1i \u0111a: Gi\u00e1 m\u00e0 t\u1ea1i \u0111\u00f3 h\u1ea7u h\u1ebft c\u00e1c t\u00f9y ch\u1ecdn h\u1ebft h\u1ea1n v\u00f4 gi\u00e1 tr\u1ecb<\/li>\r\n \t<li>Bi\u1ec3u \u0111\u1ed3 ph\u01a1i nhi\u1ec5m gamma: N\u01a1i gamma chuy\u1ec3n t\u1eeb \u00e2m sang d\u01b0\u01a1ng<\/li>\r\n \t<li>Ph\u00e2n ph\u1ed1i OI: OI quy\u1ec1n ch\u1ecdn mua v\u00e0 b\u00e1n n\u1eb7ng x\u1ebfp ch\u1ed3ng l\u00ean m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n \u2192 m\u1ee9c ghim ti\u1ec1m n\u0103ng<\/li>\r\n \t<li>H\u00e0nh vi gi\u00e1: N\u1ebfu gi\u00e1 t\u1eeb ch\u1ed1i r\u1eddi kh\u1ecfi m\u1ed9t ph\u1ea1m vi ch\u1eb7t ch\u1ebd v\u00e0o cu\u1ed1i ng\u00e0y \u2014 c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111ang ki\u1ec3m so\u00e1t<\/li>\r\n<\/ul>\r\n<strong>M\u1eb9o th\u1ef1c t\u1ebf cho nh\u00e0 giao d\u1ecbch<\/strong>\r\n<ul>\r\n \t<li>T\u00ecm ki\u1ebfm c\u00e1c m\u1ee9c ghim l\u1edbn (v\u00ed d\u1ee5: SPY 450, TSLA 700) v\u00e0o th\u1ee9 S\u00e1u<\/li>\r\n \t<li>Xem n\u1ebfu gi\u00e1 nghi\u1ec1n quanh m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi ph\u1ea1m vi th\u1ea5p \u2192 c\u00f3 th\u1ec3 l\u00e0 ki\u1ec3m so\u00e1t c\u1ee7a nh\u00e0 giao d\u1ecbch<\/li>\r\n \t<li>M\u1ed9t khi h\u1ebft h\u1ea1n qua \u0111i v\u00e0 ph\u00f2ng ng\u1eeba r\u1ee7i ro \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u2192 gi\u00e1 th\u01b0\u1eddng b\u00f9ng n\u1ed5 m\u1ea1nh trong phi\u00ean ti\u1ebfp theo<\/li>\r\n<\/ul>\r\nR\u1ee7i ro pin kh\u00f4ng ch\u1ec9 l\u00e0 l\u00fd thuy\u1ebft \u2014 n\u00f3 l\u00e0 m\u1ed9t r\u00e0ng bu\u1ed9c th\u1ef1c s\u1ef1 \u0111\u1ed1i v\u1edbi chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch xung quanh.\r\n<h2>\ud83d\udd01 Chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn: Thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c xung quanh ng\u00e0y h\u1ebft h\u1ea1n<\/h2>\r\nB\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u c\u00e1ch gi\u00e1, gamma, bi\u1ebfn \u0111\u1ed9ng v\u00e0 v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch t\u01b0\u01a1ng t\u00e1c g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, h\u00e3y c\u00f9ng k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng.\r\n\r\nM\u1ed7i thi\u1ebft l\u1eadp d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ebft h\u1ea1n c\u1ee5 th\u1ec3 \u2014 d\u00f9 b\u1ea1n \u0111ang l\u01b0\u1edbt s\u00f3ng c\u00e1c ghim h\u00e0ng tu\u1ea7n hay \u0111\u1ecbnh v\u1ecb cho m\u1ed9t \u0111\u1ed9ng th\u00e1i sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng.\r\n<h3>\ud83c\udfaf 1. Chi\u1ebfn l\u01b0\u1ee3c Pin Play (Thi\u1ebft l\u1eadp Hover Strike)<\/h3>\r\n<strong>M\u1ee5c ti\u00eau:<\/strong> N\u1eafm b\u1eaft h\u00e0nh \u0111\u1ed9ng trong ph\u1ea1m vi khi gi\u00e1 b\u1ecb \u201ck\u1eb9t\u201d g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn\r\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> 1\u20132 gi\u1edd cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n h\u00e0ng tu\u1ea7n\/h\u00e0ng th\u00e1ng\r\n\r\n<strong>Thi\u1ebft l\u1eadp:<\/strong>\r\n<ul>\r\n \t<li>Gi\u00e1 l\u01a1 l\u1eedng g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n OI l\u1edbn (ki\u1ec3m tra chu\u1ed7i t\u00f9y ch\u1ecdn)<\/li>\r\n \t<li>Ph\u01a1i nhi\u1ec5m gamma cho th\u1ea5y ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u00e0 giao d\u1ecbch cao \u1edf m\u1ee9c n\u00e0y<\/li>\r\n \t<li>Kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p v\u00e0 n\u1ebfn h\u1eb9p \u2192 n\u00e9n<\/li>\r\n<\/ul>\r\n<strong>Giao d\u1ecbch:<\/strong>\r\n<ul>\r\n \t<li>Phai c\u1ea3 hai b\u00ean c\u1ee7a ph\u1ea1m vi (mua h\u1ed7 tr\u1ee3, b\u00e1n kh\u00e1ng c\u1ef1)<\/li>\r\n \t<li>\u0110\u1eb7t d\u1eebng ch\u1eb7t ngay ngo\u00e0i v\u00f9ng ghim<\/li>\r\n \t<li>Tho\u00e1t tr\u01b0\u1edbc 15\u201320 ph\u00fat cu\u1ed1i c\u00f9ng (khi thanh kho\u1ea3n bi\u1ebfn m\u1ea5t)<\/li>\r\n<\/ul>\r\nC\u00f4ng c\u1ee5 t\u00f9y ch\u1ecdn: D\u00f2ng ch\u1ea3y SpotGamma HIRO, B\u1ea3n \u0111\u1ed3 nhi\u1ec7t DOM c\u1ee7a TradingView\r\n<h3>\ud83d\udd25 2. Phai Si\u1ebft Gamma<\/h3>\r\n<strong>M\u1ee5c ti\u00eau:<\/strong> Giao d\u1ecbch s\u1ef1 ki\u1ec7t s\u1ee9c c\u1ee7a m\u1ed9t \u0111\u1ed9ng th\u00e1i \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi gamma v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n\r\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> C\u1ed5 phi\u1ebfu c\u00f4ng ngh\u1ec7 bay cao ho\u1eb7c t\u00ean SPX v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n\r\n\r\n<strong>Thi\u1ebft l\u1eadp:<\/strong>\r\n<ul>\r\n \t<li>Gi\u00e1 t\u0103ng m\u1ea1nh v\u1ec1 ph\u00eda t\u01b0\u1eddng quy\u1ec1n ch\u1ecdn mua cao<\/li>\r\n \t<li>Buzz x\u00e3 h\u1ed9i\/truy\u1ec1n th\u00f4ng + kh\u1ed1i l\u01b0\u1ee3ng quy\u1ec1n ch\u1ecdn mua cao = nhi\u00ean li\u1ec7u<\/li>\r\n \t<li>Gi\u00e1 d\u1eebng l\u1ea1i ho\u1eb7c kh\u00f4ng th\u1ec3 ph\u00e1 v\u1ee1 qua \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn trong gi\u1edd cu\u1ed1i c\u00f9ng<\/li>\r\n<\/ul>\r\n<strong>Giao d\u1ecbch:<\/strong>\r\n<ul>\r\n \t<li>V\u00e0o v\u1ecb tr\u00ed ng\u1eafn khi \u0111\u00e0 gi\u1ea3m<\/li>\r\n \t<li>X\u00e1c nh\u1eadn v\u1edbi ph\u00e2n k\u1ef3 ho\u1eb7c gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng<\/li>\r\n \t<li>Gi\u1eef v\u00e0o cu\u1ed1i phi\u00ean ho\u1eb7c tho\u00e1t khi ph\u00e1 v\u1ee1 v\u00f9ng ghim<\/li>\r\n<\/ul>\r\nHo\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t t\u1ed1t tr\u00ean c\u1ed5 phi\u1ebfu meme ho\u1eb7c SPY\/QQQ trong ng\u00e0y.\r\n<h3>\ud83d\udca3 3. Chi\u1ebfn l\u01b0\u1ee3c B\u00f9ng n\u1ed5 Sau khi h\u1ebft h\u1ea1n<\/h3>\r\n<strong>M\u1ee5c ti\u00eau:<\/strong> B\u1eaft k\u1ecbp b\u00f9ng n\u1ed5 x\u1ea3y ra sau khi d\u00f2ng ch\u1ea3y ph\u00f2ng ng\u1eeba r\u1ee7i ro \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng\r\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> Th\u1ee9 Hai sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng\r\n\r\n<strong>Thi\u1ebft l\u1eadp:<\/strong>\r\n<ul>\r\n \t<li>C\u1ed5 phi\u1ebfu b\u1ecb ghim ho\u1eb7c trong ph\u1ea1m vi v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n<\/li>\r\n \t<li>\u0110i\u1ec3m th\u1ef1c hi\u1ec7n ch\u00ednh kh\u00f4ng c\u00f2n c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng gamma ho\u1ea1t \u0111\u1ed9ng<\/li>\r\n \t<li>Phi\u00ean \u0111\u1ea7u ti\u00ean cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i trong kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c ph\u1ea1m vi gi\u00e1<\/li>\r\n<\/ul>\r\n<strong>Giao d\u1ecbch:<\/strong>\r\n<ul>\r\n \t<li>V\u00e0o theo h\u01b0\u1edbng b\u00f9ng n\u1ed5 t\u1eeb ph\u1ea1m vi h\u1ebft h\u1ea1n tr\u01b0\u1edbc \u0111\u00f3<\/li>\r\n \t<li>Xem x\u00e9t ti\u1ebfp t\u1ee5c tr\u00ean kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng<\/li>\r\n \t<li>Qu\u1ea3n l\u00fd r\u1ee7i ro b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1eebng d\u1ef1a tr\u00ean ATR<\/li>\r\n<\/ul>\r\nNgh\u0129 v\u1ec1 \u0111i\u1ec1u n\u00e0y nh\u01b0 giao d\u1ecbch \u201cgi\u1ea3i ph\u00f3ng\u201d gi\u00e1 sau khi ph\u00f2ng ng\u1eeba r\u1ee7i ro gamma bi\u1ebfn m\u1ea5t.\r\n<h3>\ud83c\udf00 4. \u0110\u1ea3o ng\u01b0\u1ee3c S\u1ee5p \u0111\u1ed5 Volatility<\/h3>\r\n<strong>M\u1ee5c ti\u00eau:<\/strong> Ng\u1eafn h\u1ea1n bi\u1ebfn \u0111\u1ed9ng sau khi h\u1ebft h\u1ea1n v\u00e0 \u0111i theo h\u1ed3i quy trung b\u00ecnh\r\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> Sau khi c\u00e1c t\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng h\u1ebft h\u1ea1n, \u0111\u1eb7c bi\u1ec7t sau tu\u1ea7n FOMC ho\u1eb7c thu nh\u1eadp\r\n\r\n<strong>Thi\u1ebft l\u1eadp:<\/strong>\r\n<ul>\r\n \t<li>Bi\u1ebfn \u0111\u1ed9ng ng\u1ee5 \u00fd t\u0103ng cao tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n<\/li>\r\n \t<li>Gi\u00e1 b\u1ecb k\u00e9o d\u00e0i v\u00e0 t\u00e2m l\u00fd qu\u00e1 n\u00f3ng<\/li>\r\n \t<li>Bi\u1ebfn \u0111\u1ed9ng gi\u1ea3m m\u1ea1nh khi OI m\u1edbi \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng<\/li>\r\n<\/ul>\r\n<strong>Giao d\u1ecbch:<\/strong>\r\n<ul>\r\n \t<li>Phai \u0111\u1ed9ng th\u00e1i (h\u1ed3i quy trung b\u00ecnh) b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quy\u1ec1n ch\u1ecdn ng\u1eafn h\u1ea1n ho\u1eb7c h\u1ee3p \u0111\u1ed3ng t\u01b0\u01a1ng lai theo h\u01b0\u1edbng<\/li>\r\n \t<li>M\u1ee5c ti\u00eau VWAP ho\u1eb7c \u0111i\u1ec3m gi\u1eefa c\u1ee7a tu\u1ea7n tr\u01b0\u1edbc<\/li>\r\n \t<li>S\u1eed d\u1ee5ng kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 t\u00e2m l\u00fd \u0111\u1ec3 \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m v\u00e0o<\/li>\r\n<\/ul>\r\n<h3>\ud83d\udccb B\u1ea3ng so s\u00e1nh chi\u1ebfn l\u01b0\u1ee3c<\/h3>\r\n<div tabindex=\"0\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>Chi\u1ebfn l\u01b0\u1ee3c<\/th>\r\n<th>Thi\u00ean h\u01b0\u1edbng<\/th>\r\n<th>Khung th\u1eddi gian<\/th>\r\n<th>C\u00f4ng c\u1ee5 t\u1ed1t nh\u1ea5t<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Pin Play<\/td>\r\n<td>Trung l\u1eadp<\/td>\r\n<td>Trong ng\u00e0y (Th\u1ee9 S\u00e1u)<\/td>\r\n<td>SPY, TSLA, AMD<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Phai Si\u1ebft Gamma<\/td>\r\n<td>Ng\u1eafn<\/td>\r\n<td>Trong ng\u00e0y (Th\u1ee9 S\u00e1u)<\/td>\r\n<td>QQQ, c\u1ed5 phi\u1ebfu meme<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>B\u00f9ng n\u1ed5 Sau khi h\u1ebft h\u1ea1n<\/td>\r\n<td>D\u00e0i\/Ng\u1eafn<\/td>\r\n<td>Giao d\u1ecbch xoay v\u00f2ng (Th\u1ee9 Hai\u2013Th\u1ee9 T\u01b0)<\/td>\r\n<td>SPX, c\u1ed5 phi\u1ebfu OI cao<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>\u0110\u1ea3o ng\u01b0\u1ee3c S\u1ee5p \u0111\u1ed5 Volatility<\/td>\r\n<td>H\u1ed3i quy trung b\u00ecnh<\/td>\r\n<td>1\u20132 ng\u00e0y<\/td>\r\n<td>T\u00ean IV cao, ETF<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd thuy\u1ebft \u2014 ch\u00fang l\u00e0 c\u00e1c m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf th\u1ecb tr\u01b0\u1eddng c\u1ea5u tr\u00fac. Ki\u1ec3m tra l\u1ea1i ch\u00fang, \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m \u0111\u00fang, v\u00e0 ng\u00e0y h\u1ebft h\u1ea1n tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u1eeda s\u1ed5 c\u00f3 th\u1ec3 giao d\u1ecbch nh\u1ea5t trong tu\u1ea7n ho\u1eb7c th\u00e1ng.\r\n<h2>\ud83d\udee0 C\u00f4ng c\u1ee5 &amp; Sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong giao d\u1ecbch h\u1ebft h\u1ea1n: S\u1eed d\u1ee5ng g\u00ec v\u00e0 tr\u00e1nh g\u00ec<\/h2>\r\nGiao d\u1ecbch xung quanh ng\u00e0y h\u1ebft h\u1ea1n \u0111\u00f2i h\u1ecfi d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 th\u1eddi gian ho\u00e0n h\u1ea3o \u2014 n\u1ebfu kh\u00f4ng, b\u1ea1n ch\u1ec9 \u0111ang \u0111o\u00e1n trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch v\u1ec1 c\u00e1c c\u00f4ng c\u1ee5 t\u1ed1t nh\u1ea5t \u0111\u1ec3 c\u00f3 l\u1ee3i th\u1ebf, v\u00e0 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t s\u1ebd khi\u1ebfn b\u1ea1n m\u1ea5t ti\u1ec1n.\r\n<h3>\ud83e\uddf0 C\u00f4ng c\u1ee5 &amp; Ngu\u1ed3n d\u1eef li\u1ec7u c\u1ea7n c\u00f3<\/h3>\r\n<div tabindex=\"0\">\r\n<table>\r\n<thead>\r\n<tr>\r\n<th>C\u00f4ng c\u1ee5 \/ Ngu\u1ed3n<\/th>\r\n<th>Nh\u1eefng g\u00ec n\u00f3 cung c\u1ea5p<\/th>\r\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>SpotGamma<\/td>\r\n<td>C\u00e1c m\u1ee9c gamma, v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch, d\u00f2ng ch\u1ea3y \"HIRO\"<\/td>\r\n<td>X\u00e1c \u0111\u1ecbnh v\u00f9ng ghim, t\u01b0\u1eddng gamma, r\u1ee7i ro si\u1ebft<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Tier1Alpha<\/td>\r\n<td>M\u00f4 h\u00ecnh d\u00f2ng ch\u1ea3y c\u1ee7a nh\u00e0 giao d\u1ecbch, v\u00f9ng l\u1eadt gamma trong ng\u00e0y<\/td>\r\n<td>Ph\u00e2n t\u00edch v\u1ecb tr\u00ed c\u1ee7a t\u1ed5 ch\u1ee9c c\u1ea5p cao<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>OptionsChain (ThinkOrSwim \/ TradingView)<\/td>\r\n<td>OI v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng theo th\u1eddi gian th\u1ef1c theo \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/td>\r\n<td>Ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n n\u1eb7ng cho c\u00e1c thi\u1ebft l\u1eadp ghim\/phai<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>D\u1eef li\u1ec7u CBOE &amp; NASDAQ<\/td>\r\n<td>OI v\u00e0 IV l\u1ecbch s\u1eed v\u00e0 trong ng\u00e0y<\/td>\r\n<td>Ki\u1ec3m tra l\u1ea1i t\u00e1c \u0111\u1ed9ng h\u1ebft h\u1ea1n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>TradingView + OI overlays<\/td>\r\n<td>H\u00ecnh dung t\u01b0\u01a1ng t\u00e1c gi\u00e1\/OI<\/td>\r\n<td>Theo d\u00f5i th\u1ee7 c\u00f4ng c\u00e1c m\u1ee9c h\u1ebft h\u1ea1n quan tr\u1ecdng<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\nM\u1eb9o b\u1ed5 sung: S\u1eed d\u1ee5ng Google Sheets + API (v\u00ed d\u1ee5: Polygon.io ho\u1eb7c AlphaQuery) \u0111\u1ec3 x\u00e2y d\u1ef1ng tr\u00ecnh theo d\u00f5i h\u1ebft h\u1ea1n c\u1ee7a ri\u00eang b\u1ea1n cho c\u00e1c m\u00e3 y\u00eau th\u00edch.\r\n<h3>\u2757 5 Sai l\u1ea7m h\u00e0ng \u0111\u1ea7u trong giao d\u1ecbch d\u1ef1a tr\u00ean h\u1ebft h\u1ea1n<\/h3>\r\n<ol>\r\n \t<li><strong>\u0110u\u1ed5i theo c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 g\u1ea7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n OI l\u1edbn<\/strong>\r\n\u2192 Th\u01b0\u1eddng l\u00e0 m\u1ed9t c\u00e1i b\u1eaby. C\u00e1c nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng trung l\u1eadp h\u00f3a delta, kh\u00f4ng th\u00fac \u0111\u1ea9y m\u1ed9t \u0111\u1ee3t b\u00f9ng n\u1ed5.<\/li>\r\n \t<li><strong>B\u1ecf qua \u0111\u1ed9ng l\u1ef1c th\u1eddi gian trong ng\u00e0y<\/strong>\r\n\u2192 H\u1ea7u h\u1ebft c\u00e1c ghim x\u1ea3y ra trong 90 ph\u00fat cu\u1ed1i c\u00f9ng. \u0110\u1eebng mong \u0111\u1ee3i h\u00e0nh vi ghim v\u00e0o l\u00fac m\u1edf c\u1eeda th\u1ecb tr\u01b0\u1eddng.<\/li>\r\n \t<li><strong>\u0110\u1ecdc sai c\u00e1c m\u1ee9c \u201c\u0111au t\u1ed1i \u0111a\u201d<\/strong>\r\n\u2192 \u0110au t\u1ed1i \u0111a \u2260 ghim \u0111\u1ea3m b\u1ea3o. \u0110\u00f3 l\u00e0 m\u1ed9t m\u1ee9c l\u00fd thuy\u1ebft, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t d\u1ef1 \u0111o\u00e1n.<\/li>\r\n \t<li><strong>Qu\u00ean c\u00e1c s\u1ef1 ki\u1ec7n v\u0129 m\u00f4<\/strong>\r\n\u2192 FOMC, CPI, ho\u1eb7c thu nh\u1eadp c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n ghi \u0111\u00e8 c\u01a1 ch\u1ebf h\u1ebft h\u1ea1n. Ng\u1eef c\u1ea3nh quan tr\u1ecdng.<\/li>\r\n \t<li><strong>Giao d\u1ecbch m\u00f9 qu\u00e1ng m\u00e0 kh\u00f4ng c\u00f3 ng\u1eef c\u1ea3nh gamma<\/strong>\r\n\u2192 N\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft li\u1ec7u th\u1ecb tr\u01b0\u1eddng \u0111ang ng\u1eafn hay d\u00e0i gamma, b\u1ea1n \u0111ang \u0111\u00e1nh b\u1ea1c. S\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 gamma.<\/li>\r\n<\/ol>\r\nK\u1ebft lu\u1eadn: Giao d\u1ecbch h\u1ebft h\u1ea1n l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i c\u1ee7a s\u1ef1 ch\u00ednh x\u00e1c. V\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p v\u00e0 k\u1ef7 lu\u1eadt \u0111\u1ec3 tr\u00e1nh c\u00e1c b\u1eaby r\u00f5 r\u00e0ng, n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 c\u00f3 \u0111\u1ed9 tin c\u1eady cao nh\u1ea5t m\u00e0 b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y trong giao d\u1ecbch ng\u1eafn h\u1ea1n.\r\n<h2>\ud83e\uddfe K\u1ebft lu\u1eadn: Giao d\u1ecbch h\u1ebft h\u1ea1n nh\u01b0 m\u1ed9t l\u1ee3i th\u1ebf c\u00f3 \u0111\u1ed9 tin c\u1eady cao<\/h2>\r\nGiao d\u1ecbch xung quanh ng\u00e0y h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn kh\u00f4ng ch\u1ec9 d\u00e0nh cho c\u00e1c chuy\u00ean gia v\u1edbi c\u00e1c m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p \u2014 n\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 d\u1ef1a tr\u00ean d\u1eef li\u1ec7u nh\u1ea5t c\u00f3 s\u1eb5n cho c\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb ng\u00e0y nay.\r\n\r\nB\u1eb1ng c\u00e1ch hi\u1ec3u:\r\n<ul>\r\n \t<li>C\u00e1ch ph\u01a1i nhi\u1ec5m gamma \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1<\/li>\r\n \t<li>Khi n\u00e0o ghim c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra<\/li>\r\n \t<li>Vai tr\u00f2 c\u1ee7a c\u00e1c ng\u00e0y h\u1ebft h\u1ea1n h\u00e0ng tu\u1ea7n vs. h\u00e0ng th\u00e1ng<\/li>\r\n \t<li>C\u00e1ch \u0111\u1ecdc d\u00f2ng ch\u1ea3y c\u1ee7a nh\u00e0 giao d\u1ecbch v\u00e0 m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng<\/li>\r\n<\/ul>\r\n\u2026b\u1ea1n m\u1edf kh\u00f3a m\u1ed9t l\u1ee3i th\u1ebf chi\u1ebfn thu\u1eadt m\u00e0 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 giao d\u1ecbch b\u1ecf qua.\r\n\r\n\u0110i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 \u0111o\u00e1n h\u01b0\u1edbng \u0111i c\u1ee7a th\u1ecb tr\u01b0\u1eddng. \u0110\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c \u0111\u1ecdc \u00e1p l\u1ef1c c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u00e0ng t\u1ef7 l\u00e3i su\u1ea5t m\u1edf, v\u00e0 \u0111\u1ecbnh v\u1ecb ph\u00f9 h\u1ee3p \u2014 ngay c\u1ea3 khi ch\u1ec9 trong 30 ph\u00fat cu\u1ed1i c\u00f9ng v\u00e0o th\u1ee9 S\u00e1u.\r\n\r\nB\u1eaft \u0111\u1ea7u \u0111\u01a1n gi\u1ea3n: ch\u1ecdn m\u1ed9t ho\u1eb7c hai m\u00e3, theo d\u00f5i h\u00e0nh vi h\u00e0ng tu\u1ea7n v\u00e0 h\u00e0ng th\u00e1ng c\u1ee7a ch\u00fang xung quanh ng\u00e0y h\u1ebft h\u1ea1n. Xem c\u00e1ch gi\u00e1 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn, v\u00e0 c\u00e1ch bi\u1ebfn \u0111\u1ed9ng h\u00e0nh x\u1eed v\u00e0o v\u00e0 sau khi \u0111\u00f3ng c\u1eeda.\r\n\r\nTh\u00e0nh th\u1ea1o \u0111i\u1ec1u n\u00e0y, v\u00e0 giao d\u1ecbch h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng v\u0169 kh\u00ed nh\u1ea5t qu\u00e1n nh\u1ea5t c\u1ee7a b\u1ea1n \u2014 ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng bao gi\u1edd ch\u1ea1m v\u00e0o m\u1ed9t h\u1ee3p \u0111\u1ed3ng n\u00e0o.\r\n<h2>\ud83d\udcda Ngu\u1ed3n &amp; Tham kh\u1ea3o<\/h2>\r\n<ul>\r\n \t<li>CBOE (Chicago Board Options Exchange) \u2013 <a href=\"http:\/\/www.cboe.com\" target=\"_blank\" rel=\"noopener\">www.cboe.com<\/a><\/li>\r\n \t<li>B\u1ea3n \u0111\u1ed3 Ph\u01a1i nhi\u1ec5m Gamma c\u1ee7a SpotGamma \u2013 <a href=\"http:\/\/www.spotgamma.com\" target=\"_blank\" rel=\"noopener\">www.spotgamma.com<\/a><\/li>\r\n \t<li>Ph\u00e2n t\u00edch D\u00f2ng ch\u1ea3y c\u1ee7a Tier1Alpha \u2013 <a href=\"http:\/\/www.tier1alpha.com\" target=\"_blank\" rel=\"noopener\">www.tier1alpha.com<\/a><\/li>\r\n \t<li>Qu\u1ef9 Gi\u00e1o d\u1ee5c T\u00f9y ch\u1ecdn \u2013 <a href=\"http:\/\/www.optionseducation.org\" target=\"_blank\" rel=\"noopener\">www.optionseducation.org<\/a><\/li>\r\n \t<li>Chu\u1ed7i T\u00f9y ch\u1ecdn NASDAQ &amp; C\u00f4ng c\u1ee5 OI \u2013 <a href=\"http:\/\/www.nasdaq.com\" target=\"_blank\" rel=\"noopener\">www.nasdaq.com<\/a><\/li>\r\n \t<li>TradingView \u2013 T\u00f9y ch\u1ec9nh OI overlays v\u00e0 ph\u00e2n t\u00edch h\u00e0nh \u0111\u1ed9ng gi\u00e1<\/li>\r\n \t<li>Nghi\u00ean c\u1ee9u H\u1ecdc thu\u1eadt: \u201cPinning and the Decay of Options Open Interest\u201d (G\u00e2rleanu, Pedersen)<\/li>\r\n<\/ul>","body_html_source":{"label":"Body HTML","type":"wysiwyg","formatted_value":"<p>D\u00f9 b\u1ea1n \u0111ang giao d\u1ecbch c\u1ed5 phi\u1ebfu, ch\u1ec9 s\u1ed1 hay ETF, giao d\u1ecbch ng\u00e0y h\u1ebft h\u1ea1n mang l\u1ea1i nh\u1eefng c\u01a1 h\u1ed9i \u0111\u1ed9c \u0111\u00e1o \u2014 v\u00e0 nh\u1eefng c\u1ea1m b\u1eaby \u0111\u1ed9c \u0111\u00e1o. T\u1eeb r\u1ee7i ro pin gi\u1eef gi\u00e1 g\u1ea7n c\u00e1c \u0111i\u1ec3m quan tr\u1ecdng \u0111\u1ebfn c\u00e1c \u0111\u1ee3t si\u1ebft gamma \u0111\u1ed9t ng\u1ed9t do ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch, th\u1ecb tr\u01b0\u1eddng h\u00e0nh x\u1eed kh\u00e1c bi\u1ec7t g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n.<\/p>\n<p>V\u00e0 ph\u1ea7n t\u1ed1t nh\u1ea5t? N\u00f3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c.<\/p>\n<p><strong>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd h\u1ecdc c\u00e1ch:<\/strong><\/p>\n<ul>\n<li>Hi\u1ec3u c\u01a1 ch\u1ebf \u0111\u1eb1ng sau vi\u1ec7c h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n v\u00e0 h\u00e0ng th\u00e1ng<\/li>\n<li>Giao d\u1ecbch xung quanh c\u00e1c m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng v\u00e0 ghim gi\u00e1<\/li>\n<li>\u0110\u1ecdc ph\u01a1i nhi\u1ec5m gamma v\u00e0 v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch<\/li>\n<li>Th\u1ef1c hi\u1ec7n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c h\u1ebft h\u1ea1n ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1eef li\u1ec7u d\u00f2ng th\u1ef1c<\/li>\n<\/ul>\n<p>D\u00f9 b\u1ea1n \u0111ang l\u01b0\u1edbt s\u00f3ng SPY v\u00e0o s\u00e1ng th\u1ee9 S\u00e1u hay gi\u1ea3m gi\u00e1 m\u1ed9t \u0111\u1ee3t di chuy\u1ec3n gamma c\u1ee7a Tesla v\u00e0o cu\u1ed1i phi\u00ean \u2014 giao d\u1ecbch h\u1ebft h\u1ea1n mang l\u1ea1i c\u00e1c thi\u1ebft l\u1eadp t\u00e1c \u0111\u1ed9ng cao cho nh\u1eefng ai bi\u1ebft t\u00ecm ki\u1ebfm \u0111i\u1ec1u g\u00ec.<\/p>\n<p>H\u00e3y c\u00f9ng ph\u00e2n t\u00edch qu\u1ea3 bom h\u1eb9n gi\u1edd.<\/p>\n<h2>\ud83d\udcca Kh\u00e1i ni\u1ec7m c\u1ed1t l\u00f5i: C\u01a1 ch\u1ebf h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn<\/h2>\n<p>Tr\u01b0\u1edbc khi b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch c\u00e1c thi\u1ebft l\u1eadp h\u1ebft h\u1ea1n, b\u1ea1n c\u1ea7n hi\u1ec3u \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 x\u1ea3y ra khi m\u1ed9t t\u00f9y ch\u1ecdn h\u1ebft h\u1ea1n \u2014 v\u00e0 t\u1ea1i sao n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1.<\/p>\n<h3>\u23f0 H\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ed9t h\u1ee3p \u0111\u1ed3ng t\u00f9y ch\u1ecdn cho ng\u01b0\u1eddi mua quy\u1ec1n (kh\u00f4ng ph\u1ea3i ngh\u0129a v\u1ee5) mua ho\u1eb7c b\u00e1n m\u1ed9t t\u00e0i s\u1ea3n \u1edf m\u1ed9t m\u1ee9c gi\u00e1 nh\u1ea5t \u0111\u1ecbnh (gi\u00e1 th\u1ef1c hi\u1ec7n) tr\u01b0\u1edbc m\u1ed9t ng\u00e0y c\u1ee5 th\u1ec3 \u2014 ng\u00e0y h\u1ebft h\u1ea1n.<\/p>\n<p>V\u00e0o ng\u00e0y h\u1ebft h\u1ea1n, hai \u0111i\u1ec1u x\u1ea3y ra:<\/p>\n<ol>\n<li>C\u00e1c t\u00f9y ch\u1ecdn ITM (trong ti\u1ec1n) \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u1eb7c thanh to\u00e1n<\/li>\n<li>C\u00e1c t\u00f9y ch\u1ecdn OTM (ngo\u00e0i ti\u1ec1n) h\u1ebft h\u1ea1n v\u00f4 gi\u00e1 tr\u1ecb<\/li>\n<\/ol>\n<p>Qu\u00e1 tr\u00ecnh \u0111\u00f3 c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n \u2014 nh\u01b0ng khi b\u1ea1n m\u1edf r\u1ed9ng n\u00f3 tr\u00ean h\u00e0ng tri\u1ec7u h\u1ee3p \u0111\u1ed3ng, c\u1ea5u tr\u00fac th\u1ecb tr\u01b0\u1eddng u\u1ed1n cong xung quanh n\u00f3.<\/p>\n<h3>\u2699\ufe0f \u0110i\u1ec1u g\u00ec x\u1ea3y ra v\u1edbi l\u00e3i su\u1ea5t m\u1edf khi h\u1ebft h\u1ea1n?<\/h3>\n<p>T\u1ea5t c\u1ea3 l\u00e3i su\u1ea5t m\u1edf (OI) t\u00edch l\u0169y trong m\u1ed9t tu\u1ea7n ho\u1eb7c th\u00e1ng nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i:<\/p>\n<ul>\n<li>\u0110\u01b0\u1ee3c \u0111\u00f3ng (v\u1ecb tr\u00ed b\u00e1n\/\u0111\u1ed1i \u1ee9ng)<\/li>\n<li>\u0110\u01b0\u1ee3c chuy\u1ec3n sang k\u1ef3 h\u1ea1n ti\u1ebfp theo<\/li>\n<li>Ho\u1eb7c \u0111\u1ec3 h\u1ebft h\u1ea1n, \u0111i\u1ec1u n\u00e0y v\u1eabn \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c thanh to\u00e1n<\/li>\n<\/ul>\n<p>D\u00f2ng ch\u1ea3y n\u00e0y t\u1ea1o ra ho\u1ea1t \u0111\u1ed9ng b\u1eaft bu\u1ed9c \u2014 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn thanh kho\u1ea3n, h\u01b0\u1edbng \u0111i v\u00e0 bi\u1ebfn \u0111\u1ed9ng \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 trong 24\u201348 gi\u1edd cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n.<\/p>\n<h3>\ud83d\udcc9 Ph\u01a1i nhi\u1ec5m Gamma &amp; Ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch<\/h3>\n<p>C\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n t\u00f9y ch\u1ecdn th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00f2ng ng\u1eeba r\u1ee7i ro delta \u2014 h\u1ecd ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a m\u00ecnh khi gi\u00e1 g\u1ea7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<p>\u0110\u00e2y l\u00e0 n\u01a1i gamma xu\u1ea5t hi\u1ec7n.<\/p>\n<ul>\n<li>Gamma \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i delta khi gi\u00e1 di chuy\u1ec3n<\/li>\n<li>Gamma cao = ph\u00f2ng ng\u1eeba r\u1ee7i ro th\u01b0\u1eddng xuy\u00ean h\u01a1n = gi\u00e1 &#8220;k\u00e9o&#8221; m\u1ea1nh h\u01a1n v\u1ec1 ph\u00eda \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\n<\/ul>\n<p>K\u1ebft qu\u1ea3? Khi m\u1ed9t c\u1ed5 phi\u1ebfu g\u1ea7n m\u1ed9t m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n l\u1edbn v\u1edbi OI n\u1eb7ng, c\u00e1c nh\u00e0 giao d\u1ecbch ph\u00f2ng ng\u1eeba r\u1ee7i ro m\u1ea1nh m\u1ebd h\u01a1n \u2014 th\u01b0\u1eddng t\u1ea1o ra h\u00e0nh \u0111\u1ed9ng gi\u00e1 t\u1eeb t\u00ednh xung quanh m\u1ee9c \u0111\u00f3.<\/p>\n<p>\u0110\u00e2y l\u00e0 c\u1ed1t l\u00f5i c\u1ee7a nh\u1eefng g\u00ec nhi\u1ec1u nh\u00e0 giao d\u1ecbch g\u1ecdi l\u00e0 \u201cghim gi\u00e1.\u201d<\/p>\n<h3>\ud83e\udde8 R\u1ee7i ro Pin l\u00e0 g\u00ec?<\/h3>\n<p>R\u1ee7i ro pin l\u00e0 r\u1ee7i ro r\u1eb1ng gi\u00e1 s\u1ebd \u1ed5n \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u1ea1i m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn khi h\u1ebft h\u1ea1n \u2014 \u0111\u1ec3 l\u1ea1i s\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn v\u1ec1 vi\u1ec7c li\u1ec7u c\u00e1c t\u00f9y ch\u1ecdn ng\u1eafn h\u1ea1n c\u1ee7a b\u1ea1n c\u00f3 b\u1ecb g\u00e1n hay kh\u00f4ng.<\/p>\n<p>Nh\u01b0ng \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch t\u00edch c\u1ef1c, \u0111\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t r\u1ee7i ro \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t t\u00edn hi\u1ec7u. Khi b\u1ea1n th\u1ea5y gi\u00e1 l\u01a1 l\u1eedng quanh m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n OI cao v\u00e0o cu\u1ed1i ng\u00e0y th\u1ee9 S\u00e1u, c\u00f3 kh\u1ea3 n\u0103ng cao \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean.<br \/>\nM\u1ee9c \u0111\u00f3 tr\u1edf th\u00e0nh m\u1ed9t \u0111i\u1ec3m tr\u1ecdng l\u1ef1c \u2014 l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft l\u1eadp ng\u1eafn h\u1ea1n.<\/p>\n<h3>\ud83d\udcbc D\u00f2ng ch\u1ea3y t\u1ed5 ch\u1ee9c xung quanh ng\u00e0y h\u1ebft h\u1ea1n<\/h3>\n<ul>\n<li>C\u00e1c qu\u1ef9 th\u01b0\u1eddng \u0111i\u1ec1u ch\u1ec9nh c\u00e1c ph\u00f2ng ng\u1eeba r\u1ee7i ro l\u1edbn g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/li>\n<li>C\u00e1c nh\u00e0 giao d\u1ecbch c\u00e2n b\u1eb1ng l\u1ea1i ph\u01a1i nhi\u1ec5m gamma v\u00e0 vega<\/li>\n<li>H\u1ebft h\u1ea1n ch\u1ec9 s\u1ed1 (v\u00ed d\u1ee5: SPX, QQQ) c\u00f3 th\u1ec3 k\u00edch ho\u1ea1t d\u00f2ng ch\u1ea3y h\u00e0ng t\u1ef7 \u0111\u00f4 la v\u00e0o cu\u1ed1i phi\u00ean<\/li>\n<\/ul>\n<p>T\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c bi\u1ebfn d\u1ea1ng t\u1ea1m th\u1eddi \u2014 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch n\u1ebfu b\u1ea1n hi\u1ec3u c\u01a1 ch\u1ebf.<\/p>\n<p>N\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi t\u1ea1i sao m\u1ed9t c\u1ed5 phi\u1ebfu \u201ct\u1eeb ch\u1ed1i ph\u00e1 v\u1ee1\u201d m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh v\u00e0o th\u1ee9 S\u00e1u \u2014 \u0111\u00e2y l\u00e0 l\u00fd do.<\/p>\n<h2>\ud83d\udcc8 M\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n: \u0110i\u1ec1u g\u00ec x\u1ea3y ra tr\u01b0\u1edbc khi \u0111\u1ed3ng h\u1ed3 ch\u1ea1y h\u1ebft<\/h2>\n<p>H\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ec1 m\u1ee9c gi\u00e1 \u2014 n\u00f3 c\u00f2n l\u00e0 v\u1ec1 n\u00e9n v\u00e0 gi\u1ea3i ph\u00f3ng bi\u1ebfn \u0111\u1ed9ng. Hi\u1ec3u c\u00e1ch bi\u1ebfn \u0111\u1ed9ng ng\u1ee5 \u00fd (IV) h\u00e0nh x\u1eed g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n c\u00e1c \u0111\u1ed9ng th\u00e1i, qu\u1ea3n l\u00fd r\u1ee7i ro v\u00e0 th\u1eadm ch\u00ed \u0111\u1ecbnh v\u1ecb cho s\u1ef1 s\u1ee5p \u0111\u1ed5 vol ho\u1eb7c \u0111\u1ed9t bi\u1ebfn gamma.<\/p>\n<h3>\ud83d\udcc9 Bi\u1ebfn \u0111\u1ed9ng c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n \u2014 Nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng v\u1eady<\/h3>\n<p>Khi ng\u00e0y h\u1ebft h\u1ea1n \u0111\u1ebfn g\u1ea7n, gi\u00e1 tr\u1ecb th\u1eddi gian trong c\u00e1c t\u00f9y ch\u1ecdn gi\u1ea3m nhanh h\u01a1n \u2014 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 suy gi\u1ea3m theta. \u0110i\u1ec1u n\u00e0y t\u1ef1 nhi\u00ean l\u00e0m gi\u1ea3m IV, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ee3p \u0111\u1ed3ng ngo\u00e0i ti\u1ec1n.<\/p>\n<p>Nh\u01b0ng c\u00f3 m\u1ed9t s\u1ef1 xo\u1eafn: ngay tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n, bi\u1ebfn \u0111\u1ed9ng c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t ng\u1ed9t \u2014 \u0111\u1eb7c bi\u1ec7t khi:<\/p>\n<ul>\n<li>T\u00e0i s\u1ea3n c\u01a1 b\u1ea3n g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/li>\n<li>C\u00e1c s\u1ef1 ki\u1ec7n tin t\u1ee9c tr\u00f9ng v\u1edbi ng\u00e0y h\u1ebft h\u1ea1n<\/li>\n<li>C\u00e1c nh\u00e0 giao d\u1ecbch bu\u1ed9c ph\u1ea3i ph\u00f2ng ng\u1eeba r\u1ee7i ro m\u1ea1nh m\u1ebd do gamma cao<\/li>\n<\/ul>\n<p><strong>\u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c \u0111\u1ed9ng l\u1ef1c m\u00e2u thu\u1eabn:<\/strong><\/p>\n<div tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>Giai \u0111o\u1ea1n<\/th>\n<th>H\u00e0nh vi bi\u1ebfn \u0111\u1ed9ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>3\u20135 ng\u00e0y tr\u01b0\u1edbc<\/td>\n<td>IV gi\u1ea3m ch\u1eadm (suy gi\u1ea3m theta)<\/td>\n<\/tr>\n<tr>\n<td>24 gi\u1edd cu\u1ed1i c\u00f9ng<\/td>\n<td>IV c\u00f3 th\u1ec3 t\u0103ng \u0111\u1ed9t ng\u1ed9t do c\u0103ng th\u1eb3ng gamma ho\u1eb7c m\u1ea5t c\u00e2n b\u1eb1ng d\u00f2ng ch\u1ea3y<\/td>\n<\/tr>\n<tr>\n<td>Sau khi h\u1ebft h\u1ea1n<\/td>\n<td>IV s\u1ee5p \u0111\u1ed5 (s\u1ee5p \u0111\u1ed5 vol), \u0111\u1eb7c bi\u1ec7t sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4>\u26a0\ufe0f S\u1ee5p \u0111\u1ed5 Vol: H\u1eadu qu\u1ea3 c\u1ee7a ng\u00e0y h\u1ebft h\u1ea1n<\/h4>\n<p>M\u1ed9t trong nh\u1eefng l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng nh\u1ea5t trong giao d\u1ecbch h\u1ebft h\u1ea1n l\u00e0 s\u1ef1 s\u1ee5p \u0111\u1ed5 vol \u2014 khi bi\u1ebfn \u0111\u1ed9ng ng\u1ee5 \u00fd gi\u1ea3m m\u1ea1nh ngay sau khi c\u00e1c t\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng h\u1ebft h\u1ea1n.<\/p>\n<ul>\n<li>C\u00e1c nh\u00e0 giao d\u1ecbch n\u1eafm gi\u1eef c\u00e1c quy\u1ec1n ch\u1ecdn mua ho\u1eb7c b\u00e1n d\u00e0i h\u1ea1n cho c\u00e1c \u0111\u1ed9ng th\u00e1i \u0111\u1ea7u c\u01a1 gi\u1ea3i ph\u00f3ng v\u1ecb tr\u00ed<\/li>\n<li>C\u00e1c nh\u00e0 giao d\u1ecbch lo\u1ea1i b\u1ecf ph\u00f2ng ng\u1eeba r\u1ee7i ro<\/li>\n<li>Th\u1ecb tr\u01b0\u1eddng tr\u1edf l\u1ea1i ch\u1ebf \u0111\u1ed9 vol \u201cb\u00ecnh th\u01b0\u1eddng\u201d<\/li>\n<\/ul>\n<p>S\u1ef1 gi\u1ea3m IV n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c thi\u1ebft l\u1eadp h\u1ed3i quy trung b\u00ecnh ng\u1eafn h\u1ea1n, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ean qu\u00e1 mua\/qu\u00e1 b\u00e1n.<\/p>\n<h4>\ud83d\udd01 Si\u1ebft Gamma vs. Phai Gamma<\/h4>\n<p>Hi\u1ec3u c\u1ea5u tr\u00fac gamma gi\u00fap gi\u1ea3i m\u00e3 h\u00e0nh vi h\u1ebft h\u1ea1n:<\/p>\n<ul>\n<li><strong>Si\u1ebft Gamma:<\/strong> Khi mua quy\u1ec1n ch\u1ecdn mua n\u1eb7ng bu\u1ed9c c\u00e1c nh\u00e0 giao d\u1ecbch ph\u1ea3i mua v\u00e0o c\u00e1c \u0111\u1ee3t t\u0103ng gi\u00e1 (khu\u1ebfch \u0111\u1ea1i \u0111\u00e0 t\u0103ng)<\/li>\n<li><strong>Phai Gamma:<\/strong> Khi h\u1ebft h\u1ea1n lo\u1ea1i b\u1ecf \u00e1p l\u1ef1c ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch, v\u00e0 gi\u00e1 h\u1ed3i quy trung b\u00ecnh<\/li>\n<\/ul>\n<p>C\u1ea3 hai k\u1ecbch b\u1ea3n \u0111\u1ec1u ph\u1ed5 bi\u1ebfn xung quanh c\u00e1c t\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n v\u1edbi OI l\u1edbn \u1edf c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n g\u1ea7n \u0111\u00f3.<br \/>\nBi\u1ebft li\u1ec7u th\u1ecb tr\u01b0\u1eddng l\u00e0 gamma d\u01b0\u01a1ng hay gamma trung t\u00ednh c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m v\u00e0o v\u00e0 ra v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n.<\/p>\n<h4>\ud83e\udde0 Giao d\u1ecbch bi\u1ebfn \u0111\u1ed9ng v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n<\/h4>\n<p>M\u1ed9t s\u1ed1 nh\u00e0 giao d\u1ecbch chuy\u00ean v\u1ec1:<\/p>\n<ul>\n<li>B\u00e1n quy\u1ec1n ch\u1ecdn ngay tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n khi IV b\u1ecb th\u1ed5i ph\u1ed3ng<\/li>\n<li>L\u01b0\u1edbt s\u00f3ng c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 khi bi\u1ebfn \u0111\u1ed9ng t\u0103ng \u0111\u1ed9t ng\u1ed9t g\u1ea7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/li>\n<li>Mua theo h\u01b0\u1edbng khi h\u1ebft h\u1ea1n l\u00e0m s\u1ea1ch b\u1ea3ng quy\u1ec1n ch\u1ecdn v\u00e0 gi\u00e1 \u201ctho\u00e1t kh\u1ecfi\u201d v\u00e0o th\u1ee9 Hai ti\u1ebfp theo<\/li>\n<\/ul>\n<p>Bi\u1ebft khi n\u00e0o bi\u1ebfn \u0111\u1ed9ng c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng ho\u1eb7c co l\u1ea1i mang l\u1ea1i cho b\u1ea1n m\u1ed9t l\u1ee3i th\u1ebf nghi\u00eam tr\u1ecdng \u2014 \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft l\u1eadp zero-DTE (ng\u00e0y \u0111\u1ebfn h\u1ea1n).<\/p>\n<p>H\u1ebft h\u1ea1n kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u1eddi h\u1ea1n \u2014 \u0111\u00f3 l\u00e0 m\u1ed9t van \u00e1p su\u1ea5t. V\u00e0 khi \u00e1p su\u1ea5t \u0111\u00f3 \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng, c\u00e1c giao d\u1ecbch bi\u1ebfn \u0111\u1ed9ng xu\u1ea5t hi\u1ec7n.<\/p>\n<h2>\ud83d\udcc6 T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n vs. h\u00e0ng th\u00e1ng: Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh m\u00e0 nh\u00e0 giao d\u1ecbch c\u1ea7n bi\u1ebft<\/h2>\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c ng\u00e0y h\u1ebft h\u1ea1n \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 nhau. T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n v\u00e0 h\u00e0ng th\u00e1ng h\u00e0nh x\u1eed r\u1ea5t kh\u00e1c nhau \u2014 v\u1ec1 d\u00f2ng ch\u1ea3y, ng\u01b0\u1eddi tham gia, thanh kho\u1ea3n v\u00e0 c\u00e1ch gi\u00e1 ph\u1ea3n \u1ee9ng g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n.<\/p>\n<p>Hi\u1ec3u nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap b\u1ea1n \u0111i\u1ec1u ch\u1ec9nh chi\u1ebfn l\u01b0\u1ee3c c\u1ee7a m\u00ecnh cho ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i thi\u1ebft l\u1eadp h\u1ebft h\u1ea1n.<\/p>\n<h3>\ud83d\udcc5 T\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng: Chi\u1ebfn tr\u01b0\u1eddng c\u1ee7a t\u1ed5 ch\u1ee9c<\/h3>\n<p>T\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng (th\u01b0\u1eddng h\u1ebft h\u1ea1n v\u00e0o th\u1ee9 S\u00e1u th\u1ee9 ba c\u1ee7a m\u1ed7i th\u00e1ng) l\u00e0 n\u01a1i c\u00e1c t\u1ed5 ch\u1ee9c t\u1eadp trung quy m\u00f4. B\u1ea1n s\u1ebd th\u01b0\u1eddng th\u1ea5y l\u00e3i su\u1ea5t m\u1edf l\u1edbn, \u0111\u1eb7c bi\u1ec7t trong:<\/p>\n<ul>\n<li>SPX \/ SPY<\/li>\n<li>QQQ \/ NDX<\/li>\n<li>C\u1ed5 phi\u1ebfu v\u1ed1n h\u00f3a l\u1edbn nh\u01b0 AAPL, MSFT, TSLA<\/li>\n<\/ul>\n<p><strong>T\u1ea1i sao ch\u00fang quan tr\u1ecdng:<\/strong><\/p>\n<ul>\n<li>C\u00e1c qu\u1ef9 ch\u1ec9 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i v\u1ecb tr\u00ed l\u1edbn \u1edf \u0111\u00e2y<\/li>\n<li>Ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a nh\u00e0 giao d\u1ecbch c\u00f3 ph\u01a1i nhi\u1ec5m gamma l\u1edbn h\u01a1n<\/li>\n<li>S\u1ee5p \u0111\u1ed5 vol m\u1ea1nh nh\u1ea5t sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/li>\n<li>Tin t\u1ee9c v\u0129 m\u00f4 c\u00f3 xu h\u01b0\u1edbng t\u1eadp trung v\u00e0o cu\u1ed1i th\u00e1ng<\/li>\n<\/ul>\n<p>H\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng c\u00f3 xu h\u01b0\u1edbng neo gi\u1eef chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 \u2014 b\u1ea1n s\u1ebd th\u01b0\u1eddng th\u1ea5y h\u00e0nh vi ghim quanh c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi l\u00e3i su\u1ea5t m\u1edf \u0111\u01b0\u1ee3c x\u1ebfp l\u1edbp.<\/p>\n<h3>\ud83d\udcc6 T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n: V\u0169 kh\u00ed bi\u1ebfn \u0111\u1ed9ng ng\u1eafn h\u1ea1n<\/h3>\n<p>T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n (h\u1ebft h\u1ea1n v\u00e0o m\u1ed7i th\u1ee9 S\u00e1u) ph\u1ed5 bi\u1ebfn v\u1edbi c\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb, nh\u00e0 \u0111\u1ea7u c\u01a1 ng\u1eafn h\u1ea1n v\u00e0 ng\u01b0\u1eddi l\u01b0\u1edbt s\u00f3ng quy\u1ec1n ch\u1ecdn. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1eb7t c\u01b0\u1ee3c v\u00e0o:<\/p>\n<ul>\n<li>\u0110\u1ed9ng th\u00e1i thu nh\u1eadp<\/li>\n<li>S\u1ef1 ki\u1ec7n tin t\u1ee9c<\/li>\n<li>B\u00f9ng n\u1ed5 ho\u1eb7c phai m\u1edd<\/li>\n<li>Giao d\u1ecbch \u0111\u1ed9ng l\u01b0\u1ee3ng c\u00f9ng ng\u00e0y<\/li>\n<\/ul>\n<p><strong>\u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh:<\/strong><\/p>\n<ul>\n<li>Thanh kho\u1ea3n th\u1ea5p h\u01a1n so v\u1edbi h\u00e0ng th\u00e1ng (tr\u1eeb c\u00e1c t\u00ean c\u00f3 thanh kho\u1ea3n cao nh\u01b0 SPY, TSLA)<\/li>\n<li>T\u00e1c \u0111\u1ed9ng gamma b\u00f9ng n\u1ed5 h\u01a1n nh\u01b0ng ng\u1eafn h\u1ea1n h\u01a1n<\/li>\n<li>T\u1ed1t h\u01a1n cho c\u00e1c thi\u1ebft l\u1eadp phai m\u1edd ho\u1eb7c \u201cch\u01a1i ghim\u201d khi gi\u00e1 d\u00ednh v\u00e0o c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\n<li>D\u1ec5 b\u1ecb thao t\u00fang v\u00e0 di chuy\u1ec3n gi\u1ea3 (\u0111\u1eb7c bi\u1ec7t trong c\u00e1c t\u00ean c\u00f3 s\u1ed1 l\u01b0\u1ee3ng c\u1ed5 phi\u1ebfu th\u1ea5p)<\/li>\n<\/ul>\n<h3>\ud83e\uddea S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u00e0nh vi<\/h3>\n<div tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>T\u00f9y ch\u1ecdn h\u00e0ng tu\u1ea7n<\/th>\n<th>T\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ai giao d\u1ecbch<\/td>\n<td>B\u00e1n l\u1ebb, ng\u1eafn h\u1ea1n<\/td>\n<td>Qu\u1ef9, t\u1ed5 ch\u1ee9c<\/td>\n<\/tr>\n<tr>\n<td>R\u1ee7i ro gamma<\/td>\n<td>Cao trong ng\u00e0y<\/td>\n<td>Cao v\u00e0o cu\u1ed1i phi\u00ean<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec7u \u1ee9ng ghim<\/td>\n<td>Th\u01b0\u1eddng 30\u201360 ph\u00fat tr\u01b0\u1edbc<\/td>\n<td>C\u1ea3 ng\u00e0y quanh c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ebfn \u0111\u1ed9ng sau khi h\u1ebft h\u1ea1n<\/td>\n<td>Th\u01b0\u1eddng thi\u1ebft l\u1eadp l\u1ea1i nhanh ch\u00f3ng<\/td>\n<td>S\u1ee5p \u0111\u1ed5 vol l\u1edbn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5u tr\u00fac d\u00f2ng ch\u1ea3y<\/td>\n<td>D\u1ef1a tr\u00ean s\u1ef1 ki\u1ec7n, chi\u1ebfn thu\u1eadt<\/td>\n<td>Ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u0129 m\u00f4\/c\u1ea5p \u0111\u1ed9 danh m\u1ee5c \u0111\u1ea7u t\u01b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>H\u00e0m \u00fd giao d\u1ecbch:<\/strong><\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng h\u00e0ng tu\u1ea7n cho c\u00e1c giao d\u1ecbch chi\u1ebfn thu\u1eadt: l\u01b0\u1edbt s\u00f3ng b\u00f9ng n\u1ed5 ng\u1eafn h\u1ea1n, ch\u01a1i ghim trong ng\u00e0y, ho\u1eb7c ch\u01a1i tin t\u1ee9c<\/li>\n<li>S\u1eed d\u1ee5ng h\u00e0ng th\u00e1ng cho c\u00e1c thi\u1ebft l\u1eadp h\u1ebft h\u1ea1n v\u1ecb tr\u00ed: t\u01b0\u1eddng gamma, phai m\u1edd s\u1ee5p \u0111\u1ed5 vol, ho\u1eb7c kh\u1edfi \u0111\u1ea7u xu h\u01b0\u1edbng sau khi h\u1ebft h\u1ea1n<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch kh\u1edbp chi\u1ebfn l\u01b0\u1ee3c v\u1edbi l\u1ecbch, b\u1ea1n t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh v\u1edbi h\u00e0nh vi th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c nh\u00e0 tham gia th\u1ecb tr\u01b0\u1eddng \u0111\u1eb1ng sau d\u00f2ng ch\u1ea3y.<\/p>\n<h2>\ud83d\udcc9 Hi\u1ec7u \u1ee9ng Gamma v\u00e0 Ghim gi\u00e1: Khi t\u00f9y ch\u1ecdn ki\u1ec3m so\u00e1t bi\u1ec3u \u0111\u1ed3<\/h2>\n<p>M\u1ed9t trong nh\u1eefng l\u1ef1c l\u01b0\u1ee3ng m\u1ea1nh m\u1ebd nh\u1ea5t \u2014 v\u00e0 b\u1ecb hi\u1ec3u l\u1ea7m nh\u1ea5t \u2014 trong giao d\u1ecbch h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn l\u00e0 ph\u01a1i nhi\u1ec5m gamma. N\u00f3 kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n gi\u00e1\u2026 n\u00f3 c\u00f3 th\u1ec3 b\u1eaby gi\u00e1 nh\u01b0 m\u1ed9t nam ch\u00e2m.<\/p>\n<p>\u0110\u00e2y l\u00e0 n\u01a1i ghim gi\u00e1 xu\u1ea5t hi\u1ec7n \u2014 v\u00e0 n\u00f3 l\u00e0 m\u1ed9t m\u1ecf v\u00e0ng cho c\u00e1c nh\u00e0 giao d\u1ecbch ng\u1eafn h\u1ea1n bi\u1ebft t\u00ecm ki\u1ebfm \u0111i\u1ec1u g\u00ec.<\/p>\n<h3>\u2699\ufe0f Gamma l\u00e0 g\u00ec?<\/h3>\n<p>Gamma \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 thay \u0111\u1ed5i delta v\u1edbi m\u1ed7i chuy\u1ec3n \u0111\u1ed9ng $1 trong t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n.<\/p>\n<ul>\n<li>M\u1ed9t ng\u01b0\u1eddi b\u00e1n t\u00f9y ch\u1ecdn trung l\u1eadp delta (v\u00ed d\u1ee5: m\u1ed9t nh\u00e0 t\u1ea1o l\u1eadp th\u1ecb tr\u01b0\u1eddng) ph\u1ea3i ph\u00f2ng ng\u1eeba r\u1ee7i ro gamma \u0111\u00f3 b\u1eb1ng c\u00e1ch mua ho\u1eb7c b\u00e1n c\u1ed5 phi\u1ebfu.<\/li>\n<li>Gamma c\u00e0ng cao, vi\u1ec7c ph\u00f2ng ng\u1eeba r\u1ee7i ro \u0111\u00f3 c\u00e0ng di\u1ec5n ra m\u1ea1nh m\u1ebd khi gi\u00e1 g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n.<\/li>\n<\/ul>\n<p>V\u00ec v\u1eady, khi gi\u00e1 l\u01a1 l\u1eedng g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi l\u00e3i su\u1ea5t m\u1edf l\u1edbn, c\u00e1c nh\u00e0 giao d\u1ecbch li\u00ean t\u1ee5c ph\u00f2ng ng\u1eeba r\u1ee7i ro qua l\u1ea1i \u2014 t\u1ea1o ra m\u1ed9t l\u1ef1c h\u00fat tr\u1ecdng l\u1ef1c gi\u1eef gi\u00e1 g\u1ea7n m\u1ee9c \u0111\u00f3.<\/p>\n<h3>\ud83e\uddf2 Ghim gi\u00e1 l\u00e0 g\u00ec?<\/h3>\n<p>Ghim gi\u00e1 l\u00e0 xu h\u01b0\u1edbng c\u1ee7a t\u00e0i s\u1ea3n c\u01a1 b\u1ea3n \u201cd\u00ednh\u201d v\u00e0o m\u1ed9t m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 s\u1ef1 t\u1eadp trung gamma cao.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<ul>\n<li>SPY c\u00f3 h\u01a1n 400,000 quy\u1ec1n ch\u1ecdn mua v\u00e0 b\u00e1n \u1edf m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n $450 h\u1ebft h\u1ea1n h\u00f4m nay<\/li>\n<li>Gi\u00e1 giao d\u1ecbch gi\u1eefa $449.80 v\u00e0 $450.20 trong 2 gi\u1edd cu\u1ed1i c\u1ee7a th\u1ee9 S\u00e1u<\/li>\n<li>\u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u1eabu nhi\u00ean \u2014 \u0111\u00f3 l\u00e0 ghim gamma<\/li>\n<\/ul>\n<p><strong>T\u1ea1i sao?<\/strong> C\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 \u0111\u1ed9ng l\u1ef1c gi\u1eef gi\u00e1 \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro ph\u00f2ng ng\u1eeba v\u00e0 tr\u00e1nh m\u1ea5t c\u00e2n b\u1eb1ng thanh to\u00e1n.<\/p>\n<h3>\ud83d\udd25 Khi n\u00e0o ghim quan tr\u1ecdng?<\/h3>\n<ul>\n<li>2 gi\u1edd cu\u1ed1i c\u00f9ng c\u1ee7a ng\u00e0y h\u1ebft h\u1ea1n (\u0111\u1eb7c bi\u1ec7t l\u00e0 th\u1ee9 S\u00e1u cho h\u00e0ng tu\u1ea7n, ho\u1eb7c 10AM\u20133PM cho SPX h\u00e0ng th\u00e1ng)<\/li>\n<li>Khi c\u00f3 m\u1ed9t m\u1ee9c \u201c\u0111au t\u1ed1i \u0111a\u201d r\u00f5 r\u00e0ng n\u01a1i h\u1ea7u h\u1ebft c\u00e1c t\u00f9y ch\u1ecdn h\u1ebft h\u1ea1n v\u00f4 gi\u00e1 tr\u1ecb<\/li>\n<li>Khi bi\u1ebfn \u0111\u1ed9ng gi\u1ea3m v\u00e0 chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 n\u00e9n g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\n<\/ul>\n<h3>\ud83d\udca5 Gia t\u1ed1c Gamma vs. N\u00e9n Gamma<\/h3>\n<p>Gamma kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng b\u1eaby gi\u00e1 \u2014 \u0111\u00f4i khi n\u00f3 khu\u1ebfch \u0111\u1ea1i c\u00e1c \u0111\u1ed9ng th\u00e1i.<\/p>\n<div tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>K\u1ecbch b\u1ea3n<\/th>\n<th>H\u00e0nh vi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Gi\u00e1 xa kh\u1ecfi \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<\/td>\n<td>Gamma th\u1ea5p \u2192 \u00edt ph\u00f2ng ng\u1eeba r\u1ee7i ro \u2192 chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 do<\/td>\n<\/tr>\n<tr>\n<td>Gi\u00e1 g\u1ea7n \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi OI cao<\/td>\n<td>Gamma cao \u2192 ph\u00f2ng ng\u1eeba r\u1ee7i ro li\u00ean t\u1ee5c \u2192 gi\u00e1 b\u1ecb kh\u00f3a<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e1 v\u1ee1 \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi gamma d\u01b0\u01a1ng<\/td>\n<td>C\u00e1c nh\u00e0 giao d\u1ecbch mua \u2192 khu\u1ebfch \u0111\u1ea1i \u0111\u00e0 t\u0103ng<\/td>\n<\/tr>\n<tr>\n<td>Ph\u00e1 v\u1ee1 \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi gamma \u00e2m<\/td>\n<td>C\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n \u2192 th\u00fac \u0111\u1ea9y \u0111\u00e0 gi\u1ea3m<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>Bi\u1ebft li\u1ec7u c\u00e1c nh\u00e0 giao d\u1ecbch \u0111ang d\u00e0i hay ng\u1eafn gamma mang l\u1ea1i cho b\u1ea1n m\u1ed9t l\u1ee3i th\u1ebf trong vi\u1ec7c d\u1ef1 \u0111o\u00e1n li\u1ec7u gi\u00e1 s\u1ebd d\u00ednh hay b\u00f9ng n\u1ed5.<\/p>\n<h3>\ud83d\udcca SpotGamma &amp; B\u1ea3n \u0111\u1ed3 Gamma<\/h3>\n<p>C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 SpotGamma, Tier1Alpha, ho\u1eb7c Options AI cung c\u1ea5p:<\/p>\n<ul>\n<li>H\u1ed3 s\u01a1 gamma theo \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/li>\n<li>Ph\u01a1i nhi\u1ec5m gamma t\u00edch l\u0169y theo ng\u00e0y h\u1ebft h\u1ea1n<\/li>\n<li>D\u1ef1 b\u00e1o v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch theo th\u1eddi gian th\u1ef1c<\/li>\n<\/ul>\n<p>C\u00e1c b\u1ea3n \u0111\u1ed3 n\u00e0y gi\u00fap b\u1ea1n d\u1ef1 \u0111o\u00e1n n\u01a1i gi\u00e1 c\u00f3 th\u1ec3 ghim \u2014 ho\u1eb7c ph\u00e1 v\u1ee1 \u2014 d\u1ef1a tr\u00ean \u00e1p l\u1ef1c gamma.<\/p>\n<p>Khi b\u1ea1n th\u1ea5y gi\u00e1 d\u1eebng l\u1ea1i g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u00e0o th\u1ee9 S\u00e1u, \u0111\u1eebng h\u1ecfi, \u201cT\u1ea1i sao n\u00f3 b\u1ecb k\u1eb9t?\u201d H\u00e3y h\u1ecfi, \u201cAi \u0111ang ph\u00f2ng ng\u1eeba r\u1ee7i ro \u2014 v\u00e0 h\u1ecd \u0111\u00e3 xong ch\u01b0a?\u201d<\/p>\n<h2>\ud83e\udde0 R\u1ee7i ro Pin &amp; V\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch: Hi\u1ec3u c\u00e1c l\u1ef1c \u1ea9n<\/h2>\n<p>H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb ngh\u0129 r\u1eb1ng gi\u00e1 di chuy\u1ec3n ng\u1eabu nhi\u00ean. Nh\u01b0ng g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn, gi\u00e1 th\u01b0\u1eddng di chuy\u1ec3n (ho\u1eb7c kh\u00f4ng di chuy\u1ec3n) v\u00ec m\u1ed9t l\u00fd do r\u1ea5t c\u1ee5 th\u1ec3: v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch.<\/p>\n<p>Hi\u1ec3u r\u1ee7i ro pin v\u00e0 c\u00e1ch c\u00e1c nh\u00e0 giao d\u1ecbch qu\u1ea3n l\u00fd ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a h\u1ecd gi\u00fap gi\u1ea3i th\u00edch t\u1ea1i sao th\u1ecb tr\u01b0\u1eddng \u0111\u00f4i khi d\u1eebng l\u1ea1i \u1edf c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n quan tr\u1ecdng \u2014 ho\u1eb7c \u0111\u1ed9t ng\u1ed9t ph\u00e1 v\u1ee1.<\/p>\n<h3>\ud83d\udccc R\u1ee7i ro Pin l\u00e0 g\u00ec?<\/h3>\n<p>R\u1ee7i ro pin x\u1ea3y ra khi gi\u00e1 th\u1ef1c hi\u1ec7n c\u1ee7a m\u1ed9t t\u00f9y ch\u1ecdn r\u1ea5t g\u1ea7n v\u1edbi gi\u00e1 th\u1ecb tr\u01b0\u1eddng khi h\u1ebft h\u1ea1n, v\u00e0 nh\u00e0 giao d\u1ecbch kh\u00f4ng th\u1ec3 ch\u1eafc ch\u1eafn li\u1ec7u t\u00f9y ch\u1ecdn c\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n hay kh\u00f4ng.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<ul>\n<li>B\u1ea1n \u0111ang ng\u1eafn m\u1ed9t quy\u1ec1n ch\u1ecdn b\u00e1n $100<\/li>\n<li>C\u1ed5 phi\u1ebfu \u0111\u00f3ng c\u1eeda \u1edf m\u1ee9c $100.01<\/li>\n<li>N\u00f3 c\u00f3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n kh\u00f4ng? C\u00f3 th\u1ec3. C\u00f3 th\u1ec3 kh\u00f4ng.<\/li>\n<\/ul>\n<p>S\u1ef1 kh\u00f4ng ch\u1eafc ch\u1eafn n\u00e0y t\u1ea1o ra r\u1ee7i ro cho c\u00e1c nh\u00e0 giao d\u1ecbch, \u0111\u1eb7c bi\u1ec7t n\u1ebfu h\u1ecd ng\u1eafn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c h\u1ee3p \u0111\u1ed3ng. Nh\u01b0ng quan tr\u1ecdng h\u01a1n \u2014 n\u00f3 c\u0169ng t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh h\u00e0nh vi trong h\u00e0nh \u0111\u1ed9ng gi\u00e1.<\/p>\n<h3>\ud83c\udfaf T\u1ea1i sao c\u00e1c nh\u00e0 giao d\u1ecbch mu\u1ed1n gi\u00e1 \u1edf l\u1ea1i \u201cghim\u201d<\/h3>\n<p>C\u00e1c nh\u00e0 giao d\u1ecbch ng\u1eafn s\u1ed1 l\u01b0\u1ee3ng l\u1edbn quy\u1ec1n ch\u1ecdn mua v\u00e0 b\u00e1n g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n th\u01b0\u1eddng trung l\u1eadp delta. \u0110\u1ec3 duy tr\u00ec nh\u01b0 v\u1eady, h\u1ecd li\u00ean t\u1ee5c ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u1edbi c\u1ed5 phi\u1ebfu c\u01a1 b\u1ea3n.<\/p>\n<p>G\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, c\u00e1c ph\u00f2ng ng\u1eeba r\u1ee7i ro n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh nhanh ch\u00f3ng khi gi\u00e1 di chuy\u1ec3n th\u1eadm ch\u00ed ch\u1ec9 v\u00e0i cent. V\u00ec v\u1eady, nhi\u1ec1u nh\u00e0 giao d\u1ecbch c\u00f3 \u0111\u1ed9ng l\u1ef1c \u0111\u1ec3:<\/p>\n<ul>\n<li>Gi\u1eef gi\u00e1 c\u00e0ng g\u1ea7n c\u00e0ng t\u1ed1t v\u1edbi c\u00e1c m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n l\u1edbn<\/li>\n<li>Tr\u00e1nh c\u00e1c \u0111\u1ed9ng th\u00e1i m\u1ea1nh m\u1ebd l\u00e0m t\u0103ng chi ph\u00ed ph\u00f2ng ng\u1eeba r\u1ee7i ro c\u1ee7a h\u1ecd<\/li>\n<li>\u0110\u1ec3 th\u1eddi gian l\u00e0m gi\u1ea3m gi\u00e1 tr\u1ecb c\u00e1c t\u00f9y ch\u1ecdn, thay v\u00ec ph\u1ea3i tr\u1ea3 ti\u1ec1n<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u1ea1n s\u1ebd th\u01b0\u1eddng th\u1ea5y c\u00e1c ph\u1ea1m vi ch\u1eb7t ch\u1ebd, bi\u1ebfn \u0111\u1ed9ng th\u1ea5p v\u00e0o gi\u1edd cu\u1ed1i c\u00f9ng c\u1ee7a ng\u00e0y h\u1ebft h\u1ea1n \u2014 \u0111\u1eb7c bi\u1ec7t quanh c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u00e3i su\u1ea5t m\u1edf l\u1edbn.<\/p>\n<h3>\ud83d\udcc9 V\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch v\u00e0 \u0111\u1ed9ng l\u1ef1c gamma<\/h3>\n<p>T\u00e1c \u0111\u1ed9ng c\u1ee7a nh\u00e0 giao d\u1ecbch ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c h\u1ecd \u0111ang:<\/p>\n<div tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>V\u1ecb tr\u00ed<\/th>\n<th>Hi\u1ec7u \u1ee9ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ng\u1eafn gamma<\/td>\n<td>H\u1ecd ph\u00f2ng ng\u1eeba r\u1ee7i ro ch\u1ed1ng l\u1ea1i c\u00e1c \u0111\u1ed9ng th\u00e1i gi\u00e1 \u2192 mua v\u00e0o y\u1ebfu, b\u00e1n v\u00e0o m\u1ea1nh \u2192 gi\u1ea3m bi\u1ebfn \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>D\u00e0i gamma<\/td>\n<td>H\u1ecd ph\u00f2ng ng\u1eeba r\u1ee7i ro v\u1edbi c\u00e1c \u0111\u1ed9ng th\u00e1i gi\u00e1 \u2192 mua v\u00e0o m\u1ea1nh, b\u00e1n v\u00e0o y\u1ebfu \u2192 khu\u1ebfch \u0111\u1ea1i bi\u1ebfn \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>G\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, gamma t\u0103ng nhanh ch\u00f3ng, c\u00f3 ngh\u0129a l\u00e0 ngay c\u1ea3 nh\u1eefng thay \u0111\u1ed5i gi\u00e1 nh\u1ecf c\u0169ng y\u00eau c\u1ea7u \u0111i\u1ec1u ch\u1ec9nh ph\u00f2ng ng\u1eeba r\u1ee7i ro l\u1edbn \u2014 \u0111\u00e2y l\u00e0 g\u1ed1c r\u1ec5 c\u1ee7a nhi\u1ec1u \u0111\u1ed9ng th\u00e1i \u201cnghi\u1ec1n\u201d ho\u1eb7c \u201ctu\u00f4n\u201d v\u00e0o th\u1ee9 S\u00e1u.<\/p>\n<h3>\ud83e\udded C\u00e1ch \u0111\u1ecdc v\u1ecb tr\u00ed<\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh d\u00f2ng ch\u1ea3y v\u00e0 v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li>C\u00e1c m\u1ee9c \u0111au t\u1ed1i \u0111a: Gi\u00e1 m\u00e0 t\u1ea1i \u0111\u00f3 h\u1ea7u h\u1ebft c\u00e1c t\u00f9y ch\u1ecdn h\u1ebft h\u1ea1n v\u00f4 gi\u00e1 tr\u1ecb<\/li>\n<li>Bi\u1ec3u \u0111\u1ed3 ph\u01a1i nhi\u1ec5m gamma: N\u01a1i gamma chuy\u1ec3n t\u1eeb \u00e2m sang d\u01b0\u01a1ng<\/li>\n<li>Ph\u00e2n ph\u1ed1i OI: OI quy\u1ec1n ch\u1ecdn mua v\u00e0 b\u00e1n n\u1eb7ng x\u1ebfp ch\u1ed3ng l\u00ean m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n \u2192 m\u1ee9c ghim ti\u1ec1m n\u0103ng<\/li>\n<li>H\u00e0nh vi gi\u00e1: N\u1ebfu gi\u00e1 t\u1eeb ch\u1ed1i r\u1eddi kh\u1ecfi m\u1ed9t ph\u1ea1m vi ch\u1eb7t ch\u1ebd v\u00e0o cu\u1ed1i ng\u00e0y \u2014 c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111ang ki\u1ec3m so\u00e1t<\/li>\n<\/ul>\n<p><strong>M\u1eb9o th\u1ef1c t\u1ebf cho nh\u00e0 giao d\u1ecbch<\/strong><\/p>\n<ul>\n<li>T\u00ecm ki\u1ebfm c\u00e1c m\u1ee9c ghim l\u1edbn (v\u00ed d\u1ee5: SPY 450, TSLA 700) v\u00e0o th\u1ee9 S\u00e1u<\/li>\n<li>Xem n\u1ebfu gi\u00e1 nghi\u1ec1n quanh m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n v\u1edbi ph\u1ea1m vi th\u1ea5p \u2192 c\u00f3 th\u1ec3 l\u00e0 ki\u1ec3m so\u00e1t c\u1ee7a nh\u00e0 giao d\u1ecbch<\/li>\n<li>M\u1ed9t khi h\u1ebft h\u1ea1n qua \u0111i v\u00e0 ph\u00f2ng ng\u1eeba r\u1ee7i ro \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng \u2192 gi\u00e1 th\u01b0\u1eddng b\u00f9ng n\u1ed5 m\u1ea1nh trong phi\u00ean ti\u1ebfp theo<\/li>\n<\/ul>\n<p>R\u1ee7i ro pin kh\u00f4ng ch\u1ec9 l\u00e0 l\u00fd thuy\u1ebft \u2014 n\u00f3 l\u00e0 m\u1ed9t r\u00e0ng bu\u1ed9c th\u1ef1c s\u1ef1 \u0111\u1ed1i v\u1edbi chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch xung quanh.<\/p>\n<h2>\ud83d\udd01 Chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn: Thi\u1ebft l\u1eadp ch\u00ednh x\u00e1c xung quanh ng\u00e0y h\u1ebft h\u1ea1n<\/h2>\n<p>B\u00e2y gi\u1edd b\u1ea1n \u0111\u00e3 hi\u1ec3u c\u00e1ch gi\u00e1, gamma, bi\u1ebfn \u0111\u1ed9ng v\u00e0 v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch t\u01b0\u01a1ng t\u00e1c g\u1ea7n ng\u00e0y h\u1ebft h\u1ea1n, h\u00e3y c\u00f9ng k\u1ebft h\u1ee3p t\u1ea5t c\u1ea3 v\u1edbi c\u00e1c chi\u1ebfn l\u01b0\u1ee3c giao d\u1ecbch h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng.<\/p>\n<p>M\u1ed7i thi\u1ebft l\u1eadp d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n h\u1ebft h\u1ea1n c\u1ee5 th\u1ec3 \u2014 d\u00f9 b\u1ea1n \u0111ang l\u01b0\u1edbt s\u00f3ng c\u00e1c ghim h\u00e0ng tu\u1ea7n hay \u0111\u1ecbnh v\u1ecb cho m\u1ed9t \u0111\u1ed9ng th\u00e1i sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng.<\/p>\n<h3>\ud83c\udfaf 1. Chi\u1ebfn l\u01b0\u1ee3c Pin Play (Thi\u1ebft l\u1eadp Hover Strike)<\/h3>\n<p><strong>M\u1ee5c ti\u00eau:<\/strong> N\u1eafm b\u1eaft h\u00e0nh \u0111\u1ed9ng trong ph\u1ea1m vi khi gi\u00e1 b\u1ecb \u201ck\u1eb9t\u201d g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn<br \/>\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> 1\u20132 gi\u1edd cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n h\u00e0ng tu\u1ea7n\/h\u00e0ng th\u00e1ng<\/p>\n<p><strong>Thi\u1ebft l\u1eadp:<\/strong><\/p>\n<ul>\n<li>Gi\u00e1 l\u01a1 l\u1eedng g\u1ea7n m\u1ed9t \u0111i\u1ec3m th\u1ef1c hi\u1ec7n OI l\u1edbn (ki\u1ec3m tra chu\u1ed7i t\u00f9y ch\u1ecdn)<\/li>\n<li>Ph\u01a1i nhi\u1ec5m gamma cho th\u1ea5y ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nh\u00e0 giao d\u1ecbch cao \u1edf m\u1ee9c n\u00e0y<\/li>\n<li>Kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p v\u00e0 n\u1ebfn h\u1eb9p \u2192 n\u00e9n<\/li>\n<\/ul>\n<p><strong>Giao d\u1ecbch:<\/strong><\/p>\n<ul>\n<li>Phai c\u1ea3 hai b\u00ean c\u1ee7a ph\u1ea1m vi (mua h\u1ed7 tr\u1ee3, b\u00e1n kh\u00e1ng c\u1ef1)<\/li>\n<li>\u0110\u1eb7t d\u1eebng ch\u1eb7t ngay ngo\u00e0i v\u00f9ng ghim<\/li>\n<li>Tho\u00e1t tr\u01b0\u1edbc 15\u201320 ph\u00fat cu\u1ed1i c\u00f9ng (khi thanh kho\u1ea3n bi\u1ebfn m\u1ea5t)<\/li>\n<\/ul>\n<p>C\u00f4ng c\u1ee5 t\u00f9y ch\u1ecdn: D\u00f2ng ch\u1ea3y SpotGamma HIRO, B\u1ea3n \u0111\u1ed3 nhi\u1ec7t DOM c\u1ee7a TradingView<\/p>\n<h3>\ud83d\udd25 2. Phai Si\u1ebft Gamma<\/h3>\n<p><strong>M\u1ee5c ti\u00eau:<\/strong> Giao d\u1ecbch s\u1ef1 ki\u1ec7t s\u1ee9c c\u1ee7a m\u1ed9t \u0111\u1ed9ng th\u00e1i \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi gamma v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n<br \/>\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> C\u1ed5 phi\u1ebfu c\u00f4ng ngh\u1ec7 bay cao ho\u1eb7c t\u00ean SPX v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n<\/p>\n<p><strong>Thi\u1ebft l\u1eadp:<\/strong><\/p>\n<ul>\n<li>Gi\u00e1 t\u0103ng m\u1ea1nh v\u1ec1 ph\u00eda t\u01b0\u1eddng quy\u1ec1n ch\u1ecdn mua cao<\/li>\n<li>Buzz x\u00e3 h\u1ed9i\/truy\u1ec1n th\u00f4ng + kh\u1ed1i l\u01b0\u1ee3ng quy\u1ec1n ch\u1ecdn mua cao = nhi\u00ean li\u1ec7u<\/li>\n<li>Gi\u00e1 d\u1eebng l\u1ea1i ho\u1eb7c kh\u00f4ng th\u1ec3 ph\u00e1 v\u1ee1 qua \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn trong gi\u1edd cu\u1ed1i c\u00f9ng<\/li>\n<\/ul>\n<p><strong>Giao d\u1ecbch:<\/strong><\/p>\n<ul>\n<li>V\u00e0o v\u1ecb tr\u00ed ng\u1eafn khi \u0111\u00e0 gi\u1ea3m<\/li>\n<li>X\u00e1c nh\u1eadn v\u1edbi ph\u00e2n k\u1ef3 ho\u1eb7c gi\u1ea3m kh\u1ed1i l\u01b0\u1ee3ng<\/li>\n<li>Gi\u1eef v\u00e0o cu\u1ed1i phi\u00ean ho\u1eb7c tho\u00e1t khi ph\u00e1 v\u1ee1 v\u00f9ng ghim<\/li>\n<\/ul>\n<p>Ho\u1ea1t \u0111\u1ed9ng \u0111\u1eb7c bi\u1ec7t t\u1ed1t tr\u00ean c\u1ed5 phi\u1ebfu meme ho\u1eb7c SPY\/QQQ trong ng\u00e0y.<\/p>\n<h3>\ud83d\udca3 3. Chi\u1ebfn l\u01b0\u1ee3c B\u00f9ng n\u1ed5 Sau khi h\u1ebft h\u1ea1n<\/h3>\n<p><strong>M\u1ee5c ti\u00eau:<\/strong> B\u1eaft k\u1ecbp b\u00f9ng n\u1ed5 x\u1ea3y ra sau khi d\u00f2ng ch\u1ea3y ph\u00f2ng ng\u1eeba r\u1ee7i ro \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng<br \/>\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> Th\u1ee9 Hai sau khi h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng<\/p>\n<p><strong>Thi\u1ebft l\u1eadp:<\/strong><\/p>\n<ul>\n<li>C\u1ed5 phi\u1ebfu b\u1ecb ghim ho\u1eb7c trong ph\u1ea1m vi v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n<\/li>\n<li>\u0110i\u1ec3m th\u1ef1c hi\u1ec7n ch\u00ednh kh\u00f4ng c\u00f2n c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng gamma ho\u1ea1t \u0111\u1ed9ng<\/li>\n<li>Phi\u00ean \u0111\u1ea7u ti\u00ean cho th\u1ea5y s\u1ef1 thay \u0111\u1ed5i trong kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c ph\u1ea1m vi gi\u00e1<\/li>\n<\/ul>\n<p><strong>Giao d\u1ecbch:<\/strong><\/p>\n<ul>\n<li>V\u00e0o theo h\u01b0\u1edbng b\u00f9ng n\u1ed5 t\u1eeb ph\u1ea1m vi h\u1ebft h\u1ea1n tr\u01b0\u1edbc \u0111\u00f3<\/li>\n<li>Xem x\u00e9t ti\u1ebfp t\u1ee5c tr\u00ean kh\u1ed1i l\u01b0\u1ee3ng t\u0103ng<\/li>\n<li>Qu\u1ea3n l\u00fd r\u1ee7i ro b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng d\u1eebng d\u1ef1a tr\u00ean ATR<\/li>\n<\/ul>\n<p>Ngh\u0129 v\u1ec1 \u0111i\u1ec1u n\u00e0y nh\u01b0 giao d\u1ecbch \u201cgi\u1ea3i ph\u00f3ng\u201d gi\u00e1 sau khi ph\u00f2ng ng\u1eeba r\u1ee7i ro gamma bi\u1ebfn m\u1ea5t.<\/p>\n<h3>\ud83c\udf00 4. \u0110\u1ea3o ng\u01b0\u1ee3c S\u1ee5p \u0111\u1ed5 Volatility<\/h3>\n<p><strong>M\u1ee5c ti\u00eau:<\/strong> Ng\u1eafn h\u1ea1n bi\u1ebfn \u0111\u1ed9ng sau khi h\u1ebft h\u1ea1n v\u00e0 \u0111i theo h\u1ed3i quy trung b\u00ecnh<br \/>\n<strong>Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t:<\/strong> Sau khi c\u00e1c t\u00f9y ch\u1ecdn h\u00e0ng th\u00e1ng h\u1ebft h\u1ea1n, \u0111\u1eb7c bi\u1ec7t sau tu\u1ea7n FOMC ho\u1eb7c thu nh\u1eadp<\/p>\n<p><strong>Thi\u1ebft l\u1eadp:<\/strong><\/p>\n<ul>\n<li>Bi\u1ebfn \u0111\u1ed9ng ng\u1ee5 \u00fd t\u0103ng cao tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n<\/li>\n<li>Gi\u00e1 b\u1ecb k\u00e9o d\u00e0i v\u00e0 t\u00e2m l\u00fd qu\u00e1 n\u00f3ng<\/li>\n<li>Bi\u1ebfn \u0111\u1ed9ng gi\u1ea3m m\u1ea1nh khi OI m\u1edbi \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng<\/li>\n<\/ul>\n<p><strong>Giao d\u1ecbch:<\/strong><\/p>\n<ul>\n<li>Phai \u0111\u1ed9ng th\u00e1i (h\u1ed3i quy trung b\u00ecnh) b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng quy\u1ec1n ch\u1ecdn ng\u1eafn h\u1ea1n ho\u1eb7c h\u1ee3p \u0111\u1ed3ng t\u01b0\u01a1ng lai theo h\u01b0\u1edbng<\/li>\n<li>M\u1ee5c ti\u00eau VWAP ho\u1eb7c \u0111i\u1ec3m gi\u1eefa c\u1ee7a tu\u1ea7n tr\u01b0\u1edbc<\/li>\n<li>S\u1eed d\u1ee5ng kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 t\u00e2m l\u00fd \u0111\u1ec3 \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m v\u00e0o<\/li>\n<\/ul>\n<h3>\ud83d\udccb B\u1ea3ng so s\u00e1nh chi\u1ebfn l\u01b0\u1ee3c<\/h3>\n<div tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>Chi\u1ebfn l\u01b0\u1ee3c<\/th>\n<th>Thi\u00ean h\u01b0\u1edbng<\/th>\n<th>Khung th\u1eddi gian<\/th>\n<th>C\u00f4ng c\u1ee5 t\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Pin Play<\/td>\n<td>Trung l\u1eadp<\/td>\n<td>Trong ng\u00e0y (Th\u1ee9 S\u00e1u)<\/td>\n<td>SPY, TSLA, AMD<\/td>\n<\/tr>\n<tr>\n<td>Phai Si\u1ebft Gamma<\/td>\n<td>Ng\u1eafn<\/td>\n<td>Trong ng\u00e0y (Th\u1ee9 S\u00e1u)<\/td>\n<td>QQQ, c\u1ed5 phi\u1ebfu meme<\/td>\n<\/tr>\n<tr>\n<td>B\u00f9ng n\u1ed5 Sau khi h\u1ebft h\u1ea1n<\/td>\n<td>D\u00e0i\/Ng\u1eafn<\/td>\n<td>Giao d\u1ecbch xoay v\u00f2ng (Th\u1ee9 Hai\u2013Th\u1ee9 T\u01b0)<\/td>\n<td>SPX, c\u1ed5 phi\u1ebfu OI cao<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea3o ng\u01b0\u1ee3c S\u1ee5p \u0111\u1ed5 Volatility<\/td>\n<td>H\u1ed3i quy trung b\u00ecnh<\/td>\n<td>1\u20132 ng\u00e0y<\/td>\n<td>T\u00ean IV cao, ETF<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd thuy\u1ebft \u2014 ch\u00fang l\u00e0 c\u00e1c m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf th\u1ecb tr\u01b0\u1eddng c\u1ea5u tr\u00fac. Ki\u1ec3m tra l\u1ea1i ch\u00fang, \u0111\u1ecbnh th\u1eddi \u0111i\u1ec3m \u0111\u00fang, v\u00e0 ng\u00e0y h\u1ebft h\u1ea1n tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng c\u1eeda s\u1ed5 c\u00f3 th\u1ec3 giao d\u1ecbch nh\u1ea5t trong tu\u1ea7n ho\u1eb7c th\u00e1ng.<\/p>\n<h2>\ud83d\udee0 C\u00f4ng c\u1ee5 &amp; Sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong giao d\u1ecbch h\u1ebft h\u1ea1n: S\u1eed d\u1ee5ng g\u00ec v\u00e0 tr\u00e1nh g\u00ec<\/h2>\n<p>Giao d\u1ecbch xung quanh ng\u00e0y h\u1ebft h\u1ea1n \u0111\u00f2i h\u1ecfi d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 th\u1eddi gian ho\u00e0n h\u1ea3o \u2014 n\u1ebfu kh\u00f4ng, b\u1ea1n ch\u1ec9 \u0111ang \u0111o\u00e1n trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng bi\u1ebfn \u0111\u1ed9ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch v\u1ec1 c\u00e1c c\u00f4ng c\u1ee5 t\u1ed1t nh\u1ea5t \u0111\u1ec3 c\u00f3 l\u1ee3i th\u1ebf, v\u00e0 nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t s\u1ebd khi\u1ebfn b\u1ea1n m\u1ea5t ti\u1ec1n.<\/p>\n<h3>\ud83e\uddf0 C\u00f4ng c\u1ee5 &amp; Ngu\u1ed3n d\u1eef li\u1ec7u c\u1ea7n c\u00f3<\/h3>\n<div tabindex=\"0\">\n<table>\n<thead>\n<tr>\n<th>C\u00f4ng c\u1ee5 \/ Ngu\u1ed3n<\/th>\n<th>Nh\u1eefng g\u00ec n\u00f3 cung c\u1ea5p<\/th>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SpotGamma<\/td>\n<td>C\u00e1c m\u1ee9c gamma, v\u1ecb tr\u00ed c\u1ee7a nh\u00e0 giao d\u1ecbch, d\u00f2ng ch\u1ea3y &#8220;HIRO&#8221;<\/td>\n<td>X\u00e1c \u0111\u1ecbnh v\u00f9ng ghim, t\u01b0\u1eddng gamma, r\u1ee7i ro si\u1ebft<\/td>\n<\/tr>\n<tr>\n<td>Tier1Alpha<\/td>\n<td>M\u00f4 h\u00ecnh d\u00f2ng ch\u1ea3y c\u1ee7a nh\u00e0 giao d\u1ecbch, v\u00f9ng l\u1eadt gamma trong ng\u00e0y<\/td>\n<td>Ph\u00e2n t\u00edch v\u1ecb tr\u00ed c\u1ee7a t\u1ed5 ch\u1ee9c c\u1ea5p cao<\/td>\n<\/tr>\n<tr>\n<td>OptionsChain (ThinkOrSwim \/ TradingView)<\/td>\n<td>OI v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng theo th\u1eddi gian th\u1ef1c theo \u0111i\u1ec3m th\u1ef1c hi\u1ec7n<\/td>\n<td>Ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n n\u1eb7ng cho c\u00e1c thi\u1ebft l\u1eadp ghim\/phai<\/td>\n<\/tr>\n<tr>\n<td>D\u1eef li\u1ec7u CBOE &amp; NASDAQ<\/td>\n<td>OI v\u00e0 IV l\u1ecbch s\u1eed v\u00e0 trong ng\u00e0y<\/td>\n<td>Ki\u1ec3m tra l\u1ea1i t\u00e1c \u0111\u1ed9ng h\u1ebft h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>TradingView + OI overlays<\/td>\n<td>H\u00ecnh dung t\u01b0\u01a1ng t\u00e1c gi\u00e1\/OI<\/td>\n<td>Theo d\u00f5i th\u1ee7 c\u00f4ng c\u00e1c m\u1ee9c h\u1ebft h\u1ea1n quan tr\u1ecdng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>M\u1eb9o b\u1ed5 sung: S\u1eed d\u1ee5ng Google Sheets + API (v\u00ed d\u1ee5: Polygon.io ho\u1eb7c AlphaQuery) \u0111\u1ec3 x\u00e2y d\u1ef1ng tr\u00ecnh theo d\u00f5i h\u1ebft h\u1ea1n c\u1ee7a ri\u00eang b\u1ea1n cho c\u00e1c m\u00e3 y\u00eau th\u00edch.<\/p>\n<h3>\u2757 5 Sai l\u1ea7m h\u00e0ng \u0111\u1ea7u trong giao d\u1ecbch d\u1ef1a tr\u00ean h\u1ebft h\u1ea1n<\/h3>\n<ol>\n<li><strong>\u0110u\u1ed5i theo c\u00e1c \u0111\u1ee3t b\u00f9ng n\u1ed5 g\u1ea7n c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n OI l\u1edbn<\/strong><br \/>\n\u2192 Th\u01b0\u1eddng l\u00e0 m\u1ed9t c\u00e1i b\u1eaby. C\u00e1c nh\u00e0 giao d\u1ecbch th\u01b0\u1eddng trung l\u1eadp h\u00f3a delta, kh\u00f4ng th\u00fac \u0111\u1ea9y m\u1ed9t \u0111\u1ee3t b\u00f9ng n\u1ed5.<\/li>\n<li><strong>B\u1ecf qua \u0111\u1ed9ng l\u1ef1c th\u1eddi gian trong ng\u00e0y<\/strong><br \/>\n\u2192 H\u1ea7u h\u1ebft c\u00e1c ghim x\u1ea3y ra trong 90 ph\u00fat cu\u1ed1i c\u00f9ng. \u0110\u1eebng mong \u0111\u1ee3i h\u00e0nh vi ghim v\u00e0o l\u00fac m\u1edf c\u1eeda th\u1ecb tr\u01b0\u1eddng.<\/li>\n<li><strong>\u0110\u1ecdc sai c\u00e1c m\u1ee9c \u201c\u0111au t\u1ed1i \u0111a\u201d<\/strong><br \/>\n\u2192 \u0110au t\u1ed1i \u0111a \u2260 ghim \u0111\u1ea3m b\u1ea3o. \u0110\u00f3 l\u00e0 m\u1ed9t m\u1ee9c l\u00fd thuy\u1ebft, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t d\u1ef1 \u0111o\u00e1n.<\/li>\n<li><strong>Qu\u00ean c\u00e1c s\u1ef1 ki\u1ec7n v\u0129 m\u00f4<\/strong><br \/>\n\u2192 FOMC, CPI, ho\u1eb7c thu nh\u1eadp c\u00f3 th\u1ec3 ho\u00e0n to\u00e0n ghi \u0111\u00e8 c\u01a1 ch\u1ebf h\u1ebft h\u1ea1n. Ng\u1eef c\u1ea3nh quan tr\u1ecdng.<\/li>\n<li><strong>Giao d\u1ecbch m\u00f9 qu\u00e1ng m\u00e0 kh\u00f4ng c\u00f3 ng\u1eef c\u1ea3nh gamma<\/strong><br \/>\n\u2192 N\u1ebfu b\u1ea1n kh\u00f4ng bi\u1ebft li\u1ec7u th\u1ecb tr\u01b0\u1eddng \u0111ang ng\u1eafn hay d\u00e0i gamma, b\u1ea1n \u0111ang \u0111\u00e1nh b\u1ea1c. S\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 gamma.<\/li>\n<\/ol>\n<p>K\u1ebft lu\u1eadn: Giao d\u1ecbch h\u1ebft h\u1ea1n l\u00e0 m\u1ed9t tr\u00f2 ch\u01a1i c\u1ee7a s\u1ef1 ch\u00ednh x\u00e1c. V\u1edbi c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p v\u00e0 k\u1ef7 lu\u1eadt \u0111\u1ec3 tr\u00e1nh c\u00e1c b\u1eaby r\u00f5 r\u00e0ng, n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 c\u00f3 \u0111\u1ed9 tin c\u1eady cao nh\u1ea5t m\u00e0 b\u1ea1n s\u1ebd t\u00ecm th\u1ea5y trong giao d\u1ecbch ng\u1eafn h\u1ea1n.<\/p>\n<h2>\ud83e\uddfe K\u1ebft lu\u1eadn: Giao d\u1ecbch h\u1ebft h\u1ea1n nh\u01b0 m\u1ed9t l\u1ee3i th\u1ebf c\u00f3 \u0111\u1ed9 tin c\u1eady cao<\/h2>\n<p>Giao d\u1ecbch xung quanh ng\u00e0y h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn kh\u00f4ng ch\u1ec9 d\u00e0nh cho c\u00e1c chuy\u00ean gia v\u1edbi c\u00e1c m\u00f4 h\u00ecnh ph\u1ee9c t\u1ea1p \u2014 n\u00f3 l\u00e0 m\u1ed9t trong nh\u1eefng chi\u1ebfn l\u01b0\u1ee3c c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 d\u1ef1a tr\u00ean d\u1eef li\u1ec7u nh\u1ea5t c\u00f3 s\u1eb5n cho c\u00e1c nh\u00e0 giao d\u1ecbch b\u00e1n l\u1ebb ng\u00e0y nay.<\/p>\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u:<\/p>\n<ul>\n<li>C\u00e1ch ph\u01a1i nhi\u1ec5m gamma \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn gi\u00e1<\/li>\n<li>Khi n\u00e0o ghim c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra<\/li>\n<li>Vai tr\u00f2 c\u1ee7a c\u00e1c ng\u00e0y h\u1ebft h\u1ea1n h\u00e0ng tu\u1ea7n vs. h\u00e0ng th\u00e1ng<\/li>\n<li>C\u00e1ch \u0111\u1ecdc d\u00f2ng ch\u1ea3y c\u1ee7a nh\u00e0 giao d\u1ecbch v\u00e0 m\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng<\/li>\n<\/ul>\n<p>\u2026b\u1ea1n m\u1edf kh\u00f3a m\u1ed9t l\u1ee3i th\u1ebf chi\u1ebfn thu\u1eadt m\u00e0 h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 giao d\u1ecbch b\u1ecf qua.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 \u0111o\u00e1n h\u01b0\u1edbng \u0111i c\u1ee7a th\u1ecb tr\u01b0\u1eddng. \u0110\u00f3 l\u00e0 v\u1ec1 vi\u1ec7c \u0111\u1ecdc \u00e1p l\u1ef1c c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi h\u00e0ng t\u1ef7 l\u00e3i su\u1ea5t m\u1edf, v\u00e0 \u0111\u1ecbnh v\u1ecb ph\u00f9 h\u1ee3p \u2014 ngay c\u1ea3 khi ch\u1ec9 trong 30 ph\u00fat cu\u1ed1i c\u00f9ng v\u00e0o th\u1ee9 S\u00e1u.<\/p>\n<p>B\u1eaft \u0111\u1ea7u \u0111\u01a1n gi\u1ea3n: ch\u1ecdn m\u1ed9t ho\u1eb7c hai m\u00e3, theo d\u00f5i h\u00e0nh vi h\u00e0ng tu\u1ea7n v\u00e0 h\u00e0ng th\u00e1ng c\u1ee7a ch\u00fang xung quanh ng\u00e0y h\u1ebft h\u1ea1n. Xem c\u00e1ch gi\u00e1 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c \u0111i\u1ec3m th\u1ef1c hi\u1ec7n l\u1edbn, v\u00e0 c\u00e1ch bi\u1ebfn \u0111\u1ed9ng h\u00e0nh x\u1eed v\u00e0o v\u00e0 sau khi \u0111\u00f3ng c\u1eeda.<\/p>\n<p>Th\u00e0nh th\u1ea1o \u0111i\u1ec1u n\u00e0y, v\u00e0 giao d\u1ecbch h\u1ebft h\u1ea1n t\u00f9y ch\u1ecdn tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng v\u0169 kh\u00ed nh\u1ea5t qu\u00e1n nh\u1ea5t c\u1ee7a b\u1ea1n \u2014 ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng bao gi\u1edd ch\u1ea1m v\u00e0o m\u1ed9t h\u1ee3p \u0111\u1ed3ng n\u00e0o.<\/p>\n<h2>\ud83d\udcda Ngu\u1ed3n &amp; Tham kh\u1ea3o<\/h2>\n<ul>\n<li>CBOE (Chicago Board Options Exchange) \u2013 <a href=\"http:\/\/www.cboe.com\" target=\"_blank\" rel=\"noopener\">www.cboe.com<\/a><\/li>\n<li>B\u1ea3n \u0111\u1ed3 Ph\u01a1i nhi\u1ec5m Gamma c\u1ee7a SpotGamma \u2013 <a href=\"http:\/\/www.spotgamma.com\" target=\"_blank\" rel=\"noopener\">www.spotgamma.com<\/a><\/li>\n<li>Ph\u00e2n t\u00edch D\u00f2ng ch\u1ea3y c\u1ee7a Tier1Alpha \u2013 <a href=\"http:\/\/www.tier1alpha.com\" target=\"_blank\" rel=\"noopener\">www.tier1alpha.com<\/a><\/li>\n<li>Qu\u1ef9 Gi\u00e1o d\u1ee5c T\u00f9y ch\u1ecdn \u2013 <a href=\"http:\/\/www.optionseducation.org\" target=\"_blank\" rel=\"noopener\">www.optionseducation.org<\/a><\/li>\n<li>Chu\u1ed7i T\u00f9y ch\u1ecdn NASDAQ &amp; C\u00f4ng c\u1ee5 OI \u2013 <a href=\"http:\/\/www.nasdaq.com\" target=\"_blank\" rel=\"noopener\">www.nasdaq.com<\/a><\/li>\n<li>TradingView \u2013 T\u00f9y ch\u1ec9nh OI overlays v\u00e0 ph\u00e2n t\u00edch h\u00e0nh \u0111\u1ed9ng gi\u00e1<\/li>\n<li>Nghi\u00ean c\u1ee9u H\u1ecdc thu\u1eadt: \u201cPinning and the Decay of Options Open Interest\u201d (G\u00e2rleanu, Pedersen)<\/li>\n<\/ul>\n"},"faq":[{"question":"Vi\u1ec7c \"ghim\" c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o x\u1ea3y ra \u1edf m\u1ed7i l\u1ea7n h\u1ebft h\u1ea1n kh\u00f4ng?","answer":"Kh\u00f4ng. Vi\u1ec7c ghim l\u00e0 x\u00e1c su\u1ea5t, kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea5t \u0111\u1ecbnh. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra cao h\u01a1n khi:C\u00f3 s\u1ef1 quan t\u00e2m m\u1edf cao t\u1ea1i m\u1ed9t m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n c\u1ee5 th\u1ec3C\u00e1c nh\u00e0 giao d\u1ecbch \u0111ang thi\u1ebfu gammaKh\u00f4ng c\u00f3 tin t\u1ee9c l\u1edbn ho\u1eb7c ch\u1ea5t x\u00fac t\u00e1c v\u0129 m\u00f4 n\u00e0o l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u00f2ng ch\u1ea3yN\u1ebfu bi\u1ebfn \u0111\u1ed9ng cao ho\u1eb7c c\u00f3 xu h\u01b0\u1edbng m\u1ea1nh, vi\u1ec7c ghim c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i."},{"question":"T\u00f4i n\u00ean giao d\u1ecbch k\u1ef3 h\u1ea1n h\u00e0ng tu\u1ea7n hay h\u00e0ng th\u00e1ng?","answer":"N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n:H\u1ebft h\u1ea1n h\u00e0ng tu\u1ea7n = t\u1ed1t h\u01a1n cho scalping v\u00e0 thi\u1ebft l\u1eadp ng\u1eafn h\u1ea1n (nh\u01b0 pin plays ho\u1eb7c fade trades)  H\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng = t\u1ed1t h\u01a1n cho c\u00e1c \u0111\u1ed9ng th\u00e1i c\u1ea5u tr\u00fac l\u1edbn h\u01a1n (vol crush, post-expiry breakouts)  \u0110\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch theo h\u01b0\u1edbng, h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng th\u01b0\u1eddng cung c\u1ea5p s\u1ef1 ti\u1ebfp t\u1ee5c r\u00f5 r\u00e0ng h\u01a1n v\u00e0o tu\u1ea7n ti\u1ebfp theo."},{"question":"C\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 theo d\u00f5i gamma v\u00e0 \u0111\u1ecbnh v\u1ecb l\u00e0 g\u00ec?","answer":"S\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0:SpotGamma (b\u1ea3n \u0111\u1ed3 gamma b\u00e1n l\u1ebb\/t\u1ed5 ch\u1ee9c)Tier1Alpha (m\u00f4 h\u00ecnh \u0111\u1ea1i l\u00fd t\u1ed5 ch\u1ee9c)TradingView v\u1edbi l\u1edbp ph\u1ee7 OITheo d\u00f5i th\u1ee7 c\u00f4ng kh\u1ed1i l\u01b0\u1ee3ng t\u1ea1i \u0111i\u1ec3m gi\u00e1 tr\u00ean chu\u1ed7i t\u00f9y ch\u1ecdn c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi c\u1ee7a b\u1ea1nH\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed cung c\u1ea5p d\u1eef li\u1ec7u b\u1ecb tr\u1ec5 ho\u1eb7c kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 \u2014 k\u1ebft h\u1ee3p lu\u1ed3ng th\u1eddi gian th\u1ef1c v\u1edbi ng\u1eef c\u1ea3nh l\u00e0 ch\u00eca kh\u00f3a."},{"question":"30 ph\u00fat cu\u1ed1i tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch \u0111\u01b0\u1ee3c kh\u00f4ng?","answer":"C\u00f3 \u2014 nh\u01b0ng ch\u1ec9 khi b\u1ea1n hi\u1ec3u kho\u1ea3ng tr\u1ed1ng thanh kho\u1ea3n h\u00ecnh th\u00e0nh g\u1ea7n l\u00fac \u0111\u00f3ng c\u1eeda. Trong 15\u201330 ph\u00fat cu\u1ed1i:Ch\u00eanh l\u1ec7ch gi\u00e1 m\u1edf r\u1ed9ngKh\u1ed1i l\u01b0\u1ee3ng gi\u1ea3mC\u00e1c nh\u00e0 giao d\u1ecbch nhanh ch\u00f3ng th\u00e1o g\u1ee1 b\u1ea3o hi\u1ec3m r\u1ee7i ro\u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c c\u00fa l\u1eeba, t\u1eeb ch\u1ed1i nhanh, ho\u1eb7c ghim v\u00e0o ph\u00fat cu\u1ed1i \u2014 ho\u00e0n h\u1ea3o cho nh\u1eefng ng\u01b0\u1eddi l\u01b0\u1edbt s\u00f3ng c\u00f3 kinh nghi\u1ec7m, r\u1ee7i ro cho nh\u1eefng ng\u01b0\u1eddi kh\u00e1c."},{"question":"T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m h\u1ebft h\u1ea1n ngo\u00e0i giao d\u1ecbch quy\u1ec1n ch\u1ecdn kh\u00f4ng?","answer":"Ch\u1eafc ch\u1eafn r\u1ed3i. Ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng giao d\u1ecbch quy\u1ec1n ch\u1ecdn tr\u1ef1c ti\u1ebfp, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed9ng l\u1ef1c h\u1ebft h\u1ea1n \u0111\u1ec3:Th\u1eddi gian nh\u1eadp\/xu\u1ea5t c\u1ed5 phi\u1ebfuD\u1ef1 \u0111o\u00e1n s\u1ef1 \u0111\u1ea3o chi\u1ec1u bi\u1ebfn \u0111\u1ed9ngPh\u00e1t hi\u1ec7n khi n\u00e0o m\u1ed9t xu h\u01b0\u1edbng c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebfp t\u1ee5c ho\u1eb7c ph\u00e1 v\u1ee1 sau khi h\u1ebft h\u1ea1nC\u00e1c bi\u1ebfn \u0111\u1ed9ng v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n th\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ed5 phi\u1ebfu, ETF v\u00e0 ch\u1ec9 s\u1ed1 b\u1ea5t k\u1ec3 b\u1ea1n c\u00f3 \u0111ang giao d\u1ecbch quy\u1ec1n ch\u1ecdn hay kh\u00f4ng."}],"faq_source":{"label":"FAQ","type":"repeater","formatted_value":[{"question":"Vi\u1ec7c \"ghim\" c\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o x\u1ea3y ra \u1edf m\u1ed7i l\u1ea7n h\u1ebft h\u1ea1n kh\u00f4ng?","answer":"Kh\u00f4ng. Vi\u1ec7c ghim l\u00e0 x\u00e1c su\u1ea5t, kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea5t \u0111\u1ecbnh. N\u00f3 c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra cao h\u01a1n khi:C\u00f3 s\u1ef1 quan t\u00e2m m\u1edf cao t\u1ea1i m\u1ed9t m\u1ee9c gi\u00e1 th\u1ef1c hi\u1ec7n c\u1ee5 th\u1ec3C\u00e1c nh\u00e0 giao d\u1ecbch \u0111ang thi\u1ebfu gammaKh\u00f4ng c\u00f3 tin t\u1ee9c l\u1edbn ho\u1eb7c ch\u1ea5t x\u00fac t\u00e1c v\u0129 m\u00f4 n\u00e0o l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u00f2ng ch\u1ea3yN\u1ebfu bi\u1ebfn \u0111\u1ed9ng cao ho\u1eb7c c\u00f3 xu h\u01b0\u1edbng m\u1ea1nh, vi\u1ec7c ghim c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i."},{"question":"T\u00f4i n\u00ean giao d\u1ecbch k\u1ef3 h\u1ea1n h\u00e0ng tu\u1ea7n hay h\u00e0ng th\u00e1ng?","answer":"N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n:H\u1ebft h\u1ea1n h\u00e0ng tu\u1ea7n = t\u1ed1t h\u01a1n cho scalping v\u00e0 thi\u1ebft l\u1eadp ng\u1eafn h\u1ea1n (nh\u01b0 pin plays ho\u1eb7c fade trades)  H\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng = t\u1ed1t h\u01a1n cho c\u00e1c \u0111\u1ed9ng th\u00e1i c\u1ea5u tr\u00fac l\u1edbn h\u01a1n (vol crush, post-expiry breakouts)  \u0110\u1ed1i v\u1edbi c\u00e1c giao d\u1ecbch theo h\u01b0\u1edbng, h\u1ebft h\u1ea1n h\u00e0ng th\u00e1ng th\u01b0\u1eddng cung c\u1ea5p s\u1ef1 ti\u1ebfp t\u1ee5c r\u00f5 r\u00e0ng h\u01a1n v\u00e0o tu\u1ea7n ti\u1ebfp theo."},{"question":"C\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 theo d\u00f5i gamma v\u00e0 \u0111\u1ecbnh v\u1ecb l\u00e0 g\u00ec?","answer":"S\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0:SpotGamma (b\u1ea3n \u0111\u1ed3 gamma b\u00e1n l\u1ebb\/t\u1ed5 ch\u1ee9c)Tier1Alpha (m\u00f4 h\u00ecnh \u0111\u1ea1i l\u00fd t\u1ed5 ch\u1ee9c)TradingView v\u1edbi l\u1edbp ph\u1ee7 OITheo d\u00f5i th\u1ee7 c\u00f4ng kh\u1ed1i l\u01b0\u1ee3ng t\u1ea1i \u0111i\u1ec3m gi\u00e1 tr\u00ean chu\u1ed7i t\u00f9y ch\u1ecdn c\u1ee7a nh\u00e0 m\u00f4i gi\u1edbi c\u1ee7a b\u1ea1nH\u1ea7u h\u1ebft c\u00e1c c\u00f4ng c\u1ee5 mi\u1ec5n ph\u00ed cung c\u1ea5p d\u1eef li\u1ec7u b\u1ecb tr\u1ec5 ho\u1eb7c kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 \u2014 k\u1ebft h\u1ee3p lu\u1ed3ng th\u1eddi gian th\u1ef1c v\u1edbi ng\u1eef c\u1ea3nh l\u00e0 ch\u00eca kh\u00f3a."},{"question":"30 ph\u00fat cu\u1ed1i tr\u01b0\u1edbc khi h\u1ebft h\u1ea1n c\u00f3 th\u1ec3 giao d\u1ecbch \u0111\u01b0\u1ee3c kh\u00f4ng?","answer":"C\u00f3 \u2014 nh\u01b0ng ch\u1ec9 khi b\u1ea1n hi\u1ec3u kho\u1ea3ng tr\u1ed1ng thanh kho\u1ea3n h\u00ecnh th\u00e0nh g\u1ea7n l\u00fac \u0111\u00f3ng c\u1eeda. Trong 15\u201330 ph\u00fat cu\u1ed1i:Ch\u00eanh l\u1ec7ch gi\u00e1 m\u1edf r\u1ed9ngKh\u1ed1i l\u01b0\u1ee3ng gi\u1ea3mC\u00e1c nh\u00e0 giao d\u1ecbch nhanh ch\u00f3ng th\u00e1o g\u1ee1 b\u1ea3o hi\u1ec3m r\u1ee7i ro\u0110i\u1ec1u n\u00e0y t\u1ea1o ra c\u00e1c c\u00fa l\u1eeba, t\u1eeb ch\u1ed1i nhanh, ho\u1eb7c ghim v\u00e0o ph\u00fat cu\u1ed1i \u2014 ho\u00e0n h\u1ea3o cho nh\u1eefng ng\u01b0\u1eddi l\u01b0\u1edbt s\u00f3ng c\u00f3 kinh nghi\u1ec7m, r\u1ee7i ro cho nh\u1eefng ng\u01b0\u1eddi kh\u00e1c."},{"question":"T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c kh\u00e1i ni\u1ec7m h\u1ebft h\u1ea1n ngo\u00e0i giao d\u1ecbch quy\u1ec1n ch\u1ecdn kh\u00f4ng?","answer":"Ch\u1eafc ch\u1eafn r\u1ed3i. Ngay c\u1ea3 khi b\u1ea1n kh\u00f4ng giao d\u1ecbch quy\u1ec1n ch\u1ecdn tr\u1ef1c ti\u1ebfp, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed9ng l\u1ef1c h\u1ebft h\u1ea1n \u0111\u1ec3:Th\u1eddi gian nh\u1eadp\/xu\u1ea5t c\u1ed5 phi\u1ebfuD\u1ef1 \u0111o\u00e1n s\u1ef1 \u0111\u1ea3o chi\u1ec1u bi\u1ebfn \u0111\u1ed9ngPh\u00e1t hi\u1ec7n khi n\u00e0o m\u1ed9t xu h\u01b0\u1edbng c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebfp t\u1ee5c ho\u1eb7c ph\u00e1 v\u1ee1 sau khi h\u1ebft h\u1ea1nC\u00e1c bi\u1ebfn \u0111\u1ed9ng v\u00e0o ng\u00e0y h\u1ebft h\u1ea1n th\u01b0\u1eddng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ed5 phi\u1ebfu, ETF v\u00e0 ch\u1ec9 s\u1ed1 b\u1ea5t k\u1ec3 b\u1ea1n c\u00f3 \u0111ang giao d\u1ecbch quy\u1ec1n ch\u1ecdn hay kh\u00f4ng."}]}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.8 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Giao d\u1ecbch \u0110\u00e1o h\u1ea1n Quy\u1ec1n ch\u1ecdn: 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