{"id":290125,"date":"2025-07-07T08:29:21","date_gmt":"2025-07-07T08:29:21","guid":{"rendered":"https:\/\/pocketoption.com\/blog\/news-events\/data\/extended-hours-trading-2\/"},"modified":"2025-07-07T08:29:21","modified_gmt":"2025-07-07T08:29:21","slug":"extended-hours-trading","status":"publish","type":"post","link":"https:\/\/pocketoption.com\/blog\/vt\/knowledge-base\/markets\/extended-hours-trading\/","title":{"rendered":"Giao d\u1ecbch ngo\u00e0i gi\u1edd: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc cho ph\u00e2n t\u00edch d\u1eef li\u1ec7u"},"content":{"rendered":"<div id=\"root\"><div id=\"wrap-img-root\"><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":182688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[37,28,44],"class_list":["post-290125","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-markets","tag-indicator","tag-investment","tag-strategy"],"acf":{"h1":"Giao d\u1ecbch ngo\u00e0i gi\u1edd: Ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 Khung to\u00e1n h\u1ecdc","h1_source":{"label":"H1","type":"text","formatted_value":"Giao d\u1ecbch ngo\u00e0i gi\u1edd: Ph\u00e2n t\u00edch d\u1eef li\u1ec7u v\u00e0 Khung to\u00e1n h\u1ecdc"},"description":"Giao d\u1ecbch ngo\u00e0i gi\u1edd y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ch\u00ednh x\u00e1c. H\u00e3y t\u00ecm hi\u1ec3u c\u00e1ch \u0111\u00e1nh gi\u00e1 to\u00e1n h\u1ecdc c\u00e1c bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng sau gi\u1edd giao d\u1ecbch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n ngay h\u00f4m nay.","description_source":{"label":"Description","type":"textarea","formatted_value":"Giao d\u1ecbch ngo\u00e0i gi\u1edd y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00e2n t\u00edch ch\u00ednh x\u00e1c. H\u00e3y t\u00ecm hi\u1ec3u c\u00e1ch \u0111\u00e1nh gi\u00e1 to\u00e1n h\u1ecdc c\u00e1c bi\u1ebfn \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng sau gi\u1edd giao d\u1ecbch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ch\u1ec9 s\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n quy\u1ebft \u0111\u1ecbnh c\u1ee7a b\u1ea1n ngay h\u00f4m nay."},"intro":"To\u00e1n h\u1ecdc \u0111\u1ee9ng sau giao d\u1ecbch ngo\u00e0i gi\u1edd kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 so v\u1edbi ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng. Khung n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c m\u00f4 h\u00ecnh th\u1ed1ng k\u00ea, t\u00ednh to\u00e1n \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng v\u00e0 h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan cung c\u1ea5p c\u00e1i nh\u00ecn v\u1ec1 c\u00e1c chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 sau gi\u1edd giao d\u1ecbch m\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 b\u1ecf l\u1ee1.","intro_source":{"label":"Intro","type":"text","formatted_value":"To\u00e1n h\u1ecdc \u0111\u1ee9ng sau giao d\u1ecbch ngo\u00e0i gi\u1edd kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 so v\u1edbi ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng. Khung n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch c\u00e1c m\u00f4 h\u00ecnh th\u1ed1ng k\u00ea, t\u00ednh to\u00e1n \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng v\u00e0 h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan cung c\u1ea5p c\u00e1i nh\u00ecn v\u1ec1 c\u00e1c chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 sau gi\u1edd giao d\u1ecbch m\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 b\u1ecf l\u1ee1."},"body_html":"<div class='po-container po-container_width_article-sm'><h2 class='po-article-page__title'>N\u1ec1n t\u1ea3ng To\u00e1n h\u1ecdc c\u1ee7a Giao d\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>Giao d\u1ecbch ngo\u00e0i gi\u1edd t\u1ea1o ra c\u00e1c m\u1eabu d\u1eef li\u1ec7u \u0111\u1ed9c \u0111\u00e1o c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 to\u00e1n h\u1ecdc c\u1ee5 th\u1ec3 \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u00fang c\u00e1ch. Khi c\u00e1c th\u1ecb tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i gi\u1edd giao d\u1ecbch th\u00f4ng th\u01b0\u1eddng, kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch th\u01b0\u1eddng gi\u1ea3m trong khi \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng t\u0103ng, t\u1ea1o ra c\u00e1c b\u1ea5t th\u01b0\u1eddng th\u1ed1ng k\u00ea m\u00e0 c\u00e1c m\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n kh\u00f4ng th\u1ec3 n\u1eafm b\u1eaft. C\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 Pocket Option cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o nh\u1eefng th\u1ecb tr\u01b0\u1eddng n\u00e0y, nh\u01b0ng vi\u1ec7c hi\u1ec3u to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 k\u1ebft qu\u1ea3 giao d\u1ecbch.<\/p><\/div><div class='po-container po-container_width_article po-article-page__table'><div class='po-table'><table><thead><tr><th>Phi\u00ean Th\u1ecb Tr\u01b0\u1eddng<\/th><th>Kh\u1ed1i L\u01b0\u1ee3ng Trung B\u00ecnh<\/th><th>Ch\u1ec9 S\u1ed1 Bi\u1ebfn \u0110\u1ed9ng<\/th><th>\u00dd Ngh\u0129a Th\u1ed1ng K\u00ea<\/th><\/tr><\/thead><tbody><tr><td>Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/td><td>100% (c\u01a1 s\u1edf)<\/td><td>1.0x<\/td><td>Cao<\/td><\/tr><tr><td>Tr\u01b0\u1edbc Th\u1ecb Tr\u01b0\u1eddng<\/td><td>15-25%<\/td><td>1.7x<\/td><td>Trung B\u00ecnh<\/td><\/tr><tr><td>Sau Gi\u1edd Giao D\u1ecbch<\/td><td>10-20%<\/td><td>1.9x<\/td><td>Trung B\u00ecnh-Th\u1ea5p<\/td><\/tr><\/tbody><\/table><\/div><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>To\u00e1n h\u1ecdc c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 trong gi\u1edd giao d\u1ecbch k\u00e9o d\u00e0i theo c\u00e1c ph\u00e2n ph\u1ed1i th\u1ed1ng k\u00ea kh\u00e1c nhau so v\u1edbi c\u00e1c phi\u00ean th\u00f4ng th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u \u0111i\u1ec1u ch\u1ec9nh c\u00e1c tham s\u1ed1 t\u00ednh to\u00e1n khi ph\u00e2n t\u00edch c\u00e1c m\u1eabu.<\/p><\/div><div class='po-container po-container_width_article-sm'><h2 class='po-article-page__title'>C\u00e1c Ch\u1ec9 S\u1ed1 Ch\u00ednh cho Ph\u00e2n T\u00edch Giao D\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>Khi ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1eeb c\u00e1c phi\u00ean giao d\u1ecbch ngo\u00e0i gi\u1edd, m\u1ed9t s\u1ed1 ch\u1ec9 s\u1ed1 cho th\u1ea5y \u0111\u1ed9 tin c\u1eady cao h\u01a1n nh\u1eefng ch\u1ec9 s\u1ed1 kh\u00e1c. Nh\u1eefng ph\u00e9p \u0111o n\u00e0y gi\u00fap \u0111\u1ecbnh l\u01b0\u1ee3ng h\u00e0nh vi th\u1ecb tr\u01b0\u1eddng b\u1ea5t th\u01b0\u1eddng x\u1ea3y ra khi t\u00ednh thanh kho\u1ea3n gi\u1ea3m.<\/p><\/div><div class='po-container po-container_width_article-sm article-content po-article-page__text'><ul class='po-article-page-list'><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>Gi\u00e1 Tr\u1ecb Trung B\u00ecnh Kh\u1ed1i L\u01b0\u1ee3ng \u0110i\u1ec1u Ch\u1ec9nh (VWAP)<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>T\u1ef7 L\u1ec7 Bi\u1ebfn \u0110\u1ed9ng Sau Gi\u1edd Giao D\u1ecbch (AHVR)<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>H\u00e0m Suy Gi\u1ea3m T\u00ednh Thanh Kho\u1ea3n (LDF)<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>H\u1ec7 S\u1ed1 T\u00e1c \u0110\u1ed9ng Gi\u00e1 (PIC)<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>H\u1ec7 S\u1ed1 Nh\u1ea1y C\u1ea3m Tin T\u1ee9c (NSF)<\/li><\/ul><\/div><div class='po-container po-container_width_article po-article-page__table'><div class='po-table'><table><thead><tr><th>Ch\u1ec9 S\u1ed1<\/th><th>C\u00f4ng Th\u1ee9c<\/th><th>Ng\u01b0\u1ee1ng Di\u1ec5n Gi\u1ea3i<\/th><\/tr><\/thead><tbody><tr><td>AHVR<\/td><td>\u03c3(AH) \/ \u03c3(RH)<\/td><td>&gt;1.5 cho th\u1ea5y bi\u1ebfn \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng<\/td><\/tr><tr><td>LDF<\/td><td>V\u2080e^(-\u03bbt)<\/td><td>\u03bb &gt; 0.2 cho th\u1ea5y s\u1ef1 gi\u1ea3m nhanh t\u00ednh thanh kho\u1ea3n<\/td><\/tr><tr><td>PIC<\/td><td>\u0394P \/ (V * \u03c3)<\/td><td>&gt;2.0 cho th\u1ea5y t\u00e1c \u0111\u1ed9ng gi\u00e1 cao tr\u00ean m\u1ed7i giao d\u1ecbch<\/td><\/tr><\/tbody><\/table><\/div><\/div><div class='po-container po-container_width_article-sm'><h2 class='po-article-page__title'>Ph\u00e2n T\u00edch T\u01b0\u01a1ng Quan trong Giao D\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>C\u00e1c h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan gi\u1eefa c\u00e1c t\u00e0i s\u1ea3n th\u01b0\u1eddng thay \u0111\u1ed5i trong c\u00e1c kho\u1ea3ng th\u1eddi gian giao d\u1ecbch ngo\u00e0i gi\u1edd. Hi\u1ec7n t\u01b0\u1ee3ng to\u00e1n h\u1ecdc n\u00e0y t\u1ea1o ra c\u1ea3 r\u1ee7i ro v\u00e0 c\u01a1 h\u1ed9i cho c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u00fang c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y.<\/p><\/div><div class='po-container po-container_width_article po-article-page__table'><div class='po-table'><table><thead><tr><th>C\u1eb7p T\u00e0i S\u1ea3n<\/th><th>T\u01b0\u01a1ng Quan Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/th><th>T\u01b0\u01a1ng Quan Gi\u1edd Ngo\u00e0i<\/th><th>Kh\u00e1c Bi\u1ec7t Th\u1ed1ng K\u00ea<\/th><\/tr><\/thead><tbody><tr><td>S&amp;P 500 \/ NASDAQ<\/td><td>0.92<\/td><td>0.78<\/td><td>\u0110\u00e1ng K\u1ec3 (p&lt;0.05)<\/td><\/tr><tr><td>V\u00e0ng \/ USD<\/td><td>-0.65<\/td><td>-0.42<\/td><td>\u0110\u00e1ng K\u1ec3 (p&lt;0.05)<\/td><\/tr><tr><td>D\u1ea7u \/ Ng\u00e0nh N\u0103ng L\u01b0\u1ee3ng<\/td><td>0.81<\/td><td>0.53<\/td><td>\u0110\u00e1ng K\u1ec3 (p&lt;0.01)<\/td><\/tr><\/tbody><\/table><\/div><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>C\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh to\u00e1n c\u00e1c s\u1ef1 thay \u0111\u1ed5i t\u01b0\u01a1ng quan n\u00e0y l\u00e0:<\/p><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>\u0394R = |R(th\u00f4ng th\u01b0\u1eddng) - R(ngo\u00e0i)| trong \u0111\u00f3 R \u0111\u1ea1i di\u1ec7n cho h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan Pearson<\/p><\/div><div class='po-container po-container_width_article-sm'><h2 class='po-article-page__title'>T\u00ednh To\u00e1n Bi\u1ebfn \u0110\u1ed9ng Trong Giao D\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>C\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh khi \u00e1p d\u1ee5ng cho gi\u1edd giao d\u1ecbch k\u00e9o d\u00e0i. C\u00e1ch ti\u1ebfp c\u1eadn th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 th\u1ea5p \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng th\u1ef1c do l\u1ed7i l\u1ea5y m\u1eabu trong m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p.<\/p><\/div><div class='po-container po-container_width_article-sm article-content po-article-page__text'><ul class='po-article-page-list'><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>\u01af\u1edbc l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng Parkinson<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>M\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng Rogers-Satchell<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>T\u00ednh to\u00e1n bi\u1ebfn \u0111\u1ed9ng Garman-Klass<\/li><li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>\u01af\u1edbc l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng Yang-Zhang<\/li><\/ul><\/div><div class='po-container po-container_width_article po-article-page__table'><div class='po-table'><table><thead><tr><th>M\u00f4 H\u00ecnh Bi\u1ebfn \u0110\u1ed9ng<\/th><th>\u0110\u1ed9 Ch\u00ednh X\u00e1c Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/th><th>\u0110\u1ed9 Ch\u00ednh X\u00e1c Gi\u1edd Ngo\u00e0i<\/th><th>H\u1ec7 S\u1ed1 \u0110i\u1ec1u Ch\u1ec9nh<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 L\u1ec7ch Chu\u1ea9n<\/td><td>Cao<\/td><td>K\u00e9m<\/td><td>1.7-2.3x<\/td><\/tr><tr><td>Parkinson<\/td><td>Trung B\u00ecnh<\/td><td>Trung B\u00ecnh<\/td><td>1.3-1.6x<\/td><\/tr><tr><td>Yang-Zhang<\/td><td>Cao<\/td><td>Cao<\/td><td>1.1-1.3x<\/td><\/tr><\/tbody><\/table><\/div><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>\u01af\u1edbc l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng Yang-Zhang \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho giao d\u1ecbch ngo\u00e0i gi\u1edd \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/p><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>\u03c3\u00b2YZ = \u03c3\u00b2O + k\u00b7\u03c3\u00b2C + (1-k)\u00b7\u03c3\u00b2RS<\/p><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>Trong \u0111\u00f3 k \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1eeb 0.34 (chu\u1ea9n) l\u00ean 0.51 cho giao d\u1ecbch ngo\u00e0i gi\u1edd \u0111\u1ec3 t\u00ednh \u0111\u1ebfn c\u00e1c \u0111\u1ed9ng l\u1ef1c gi\u00e1 kh\u00e1c nhau.<\/p><\/div><div class='po-container po-container_width_article-sm'><h2 class='po-article-page__title'>Y\u00eau C\u1ea7u K\u00edch Th\u01b0\u1edbc M\u1eabu D\u1eef Li\u1ec7u<\/h2><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>T\u00ednh h\u1ee3p l\u1ec7 th\u1ed1ng k\u00ea trong ph\u00e2n t\u00edch giao d\u1ecbch ngo\u00e0i gi\u1edd y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc m\u1eabu l\u1edbn h\u01a1n so v\u1edbi ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng do t\u1ef7 l\u1ec7 nhi\u1ec5u tr\u00ean t\u00edn hi\u1ec7u cao h\u01a1n. Th\u1ef1c t\u1ebf to\u00e1n h\u1ecdc n\u00e0y th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e2n t\u00edch nh\u1eadn ra.<\/p><\/div><div class='po-container po-container_width_article po-article-page__table'><div class='po-table'><table><thead><tr><th>C\u1ea5p \u0110\u1ed9 Tin C\u1eady<\/th><th>M\u1eabu Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/th><th>M\u1eabu Gi\u1edd Ngo\u00e0i<\/th><th>T\u1ef7 L\u1ec7<\/th><\/tr><\/thead><tbody><tr><td>90%<\/td><td>30 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td><td>75 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td><td>2.5x<\/td><\/tr><tr><td>95%<\/td><td>60 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td><td>168 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td><td>2.8x<\/td><\/tr><tr><td>99%<\/td><td>100 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td><td>290 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td><td>2.9x<\/td><\/tr><\/tbody><\/table><\/div><\/div>[cta_button text=\"\"]<div class='po-container po-container_width_article-sm'><h2 class='po-article-page__title'>K\u1ebft Lu\u1eadn<\/h2><\/div><div class='po-container po-container_width_article-sm'><p class='po-article-page__text'>Ph\u00e2n t\u00edch to\u00e1n h\u1ecdc c\u1ee7a giao d\u1ecbch ngo\u00e0i gi\u1edd y\u00eau c\u1ea7u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p chuy\u00ean bi\u1ec7t t\u00ednh \u0111\u1ebfn t\u00ednh thanh kho\u1ea3n th\u1ea5p h\u01a1n, \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng cao h\u01a1n v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u01b0\u01a1ng quan kh\u00e1c nhau. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh th\u1ed1ng k\u00ea ph\u00f9 h\u1ee3p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c ch\u1ec9 s\u1ed1 truy\u1ec1n th\u1ed1ng, c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 r\u00fat ra th\u00f4ng tin ch\u00ednh x\u00e1c h\u01a1n t\u1eeb c\u00e1c chuy\u1ec3n \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng sau gi\u1edd giao d\u1ecbch. Nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh l\u01b0\u1ee3ng cho giao d\u1ecbch ngo\u00e0i gi\u1edd th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng.<\/p><\/div>","body_html_source":{"label":"Body HTML","type":"wysiwyg","formatted_value":"<div class='po-container po-container_width_article-sm'>\n<h2 class='po-article-page__title'>N\u1ec1n t\u1ea3ng To\u00e1n h\u1ecdc c\u1ee7a Giao d\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>Giao d\u1ecbch ngo\u00e0i gi\u1edd t\u1ea1o ra c\u00e1c m\u1eabu d\u1eef li\u1ec7u \u0111\u1ed9c \u0111\u00e1o c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 to\u00e1n h\u1ecdc c\u1ee5 th\u1ec3 \u0111\u1ec3 ph\u00e2n t\u00edch \u0111\u00fang c\u00e1ch. Khi c\u00e1c th\u1ecb tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng ngo\u00e0i gi\u1edd giao d\u1ecbch th\u00f4ng th\u01b0\u1eddng, kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch th\u01b0\u1eddng gi\u1ea3m trong khi \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng t\u0103ng, t\u1ea1o ra c\u00e1c b\u1ea5t th\u01b0\u1eddng th\u1ed1ng k\u00ea m\u00e0 c\u00e1c m\u00f4 h\u00ecnh ti\u00eau chu\u1ea9n kh\u00f4ng th\u1ec3 n\u1eafm b\u1eaft. C\u00e1c n\u1ec1n t\u1ea3ng nh\u01b0 Pocket Option cung c\u1ea5p quy\u1ec1n truy c\u1eadp v\u00e0o nh\u1eefng th\u1ecb tr\u01b0\u1eddng n\u00e0y, nh\u01b0ng vi\u1ec7c hi\u1ec3u to\u00e1n h\u1ecdc c\u01a1 b\u1ea3n s\u1ebd c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 k\u1ebft qu\u1ea3 giao d\u1ecbch.<\/p>\n<\/div>\n<div class='po-container po-container_width_article po-article-page__table'>\n<div class='po-table'>\n<table>\n<thead>\n<tr>\n<th>Phi\u00ean Th\u1ecb Tr\u01b0\u1eddng<\/th>\n<th>Kh\u1ed1i L\u01b0\u1ee3ng Trung B\u00ecnh<\/th>\n<th>Ch\u1ec9 S\u1ed1 Bi\u1ebfn \u0110\u1ed9ng<\/th>\n<th>\u00dd Ngh\u0129a Th\u1ed1ng K\u00ea<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/td>\n<td>100% (c\u01a1 s\u1edf)<\/td>\n<td>1.0x<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>Tr\u01b0\u1edbc Th\u1ecb Tr\u01b0\u1eddng<\/td>\n<td>15-25%<\/td>\n<td>1.7x<\/td>\n<td>Trung B\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>Sau Gi\u1edd Giao D\u1ecbch<\/td>\n<td>10-20%<\/td>\n<td>1.9x<\/td>\n<td>Trung B\u00ecnh-Th\u1ea5p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>To\u00e1n h\u1ecdc c\u1ee7a chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 trong gi\u1edd giao d\u1ecbch k\u00e9o d\u00e0i theo c\u00e1c ph\u00e2n ph\u1ed1i th\u1ed1ng k\u00ea kh\u00e1c nhau so v\u1edbi c\u00e1c phi\u00ean th\u00f4ng th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u \u0111i\u1ec1u ch\u1ec9nh c\u00e1c tham s\u1ed1 t\u00ednh to\u00e1n khi ph\u00e2n t\u00edch c\u00e1c m\u1eabu.<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<h2 class='po-article-page__title'>C\u00e1c Ch\u1ec9 S\u1ed1 Ch\u00ednh cho Ph\u00e2n T\u00edch Giao D\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>Khi ph\u00e2n t\u00edch d\u1eef li\u1ec7u t\u1eeb c\u00e1c phi\u00ean giao d\u1ecbch ngo\u00e0i gi\u1edd, m\u1ed9t s\u1ed1 ch\u1ec9 s\u1ed1 cho th\u1ea5y \u0111\u1ed9 tin c\u1eady cao h\u01a1n nh\u1eefng ch\u1ec9 s\u1ed1 kh\u00e1c. Nh\u1eefng ph\u00e9p \u0111o n\u00e0y gi\u00fap \u0111\u1ecbnh l\u01b0\u1ee3ng h\u00e0nh vi th\u1ecb tr\u01b0\u1eddng b\u1ea5t th\u01b0\u1eddng x\u1ea3y ra khi t\u00ednh thanh kho\u1ea3n gi\u1ea3m.<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm article-content po-article-page__text'>\n<ul class='po-article-page-list'>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>Gi\u00e1 Tr\u1ecb Trung B\u00ecnh Kh\u1ed1i L\u01b0\u1ee3ng \u0110i\u1ec1u Ch\u1ec9nh (VWAP)<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>T\u1ef7 L\u1ec7 Bi\u1ebfn \u0110\u1ed9ng Sau Gi\u1edd Giao D\u1ecbch (AHVR)<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>H\u00e0m Suy Gi\u1ea3m T\u00ednh Thanh Kho\u1ea3n (LDF)<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>H\u1ec7 S\u1ed1 T\u00e1c \u0110\u1ed9ng Gi\u00e1 (PIC)<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>H\u1ec7 S\u1ed1 Nh\u1ea1y C\u1ea3m Tin T\u1ee9c (NSF)<\/li>\n<\/ul>\n<\/div>\n<div class='po-container po-container_width_article po-article-page__table'>\n<div class='po-table'>\n<table>\n<thead>\n<tr>\n<th>Ch\u1ec9 S\u1ed1<\/th>\n<th>C\u00f4ng Th\u1ee9c<\/th>\n<th>Ng\u01b0\u1ee1ng Di\u1ec5n Gi\u1ea3i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AHVR<\/td>\n<td>\u03c3(AH) \/ \u03c3(RH)<\/td>\n<td>&gt;1.5 cho th\u1ea5y bi\u1ebfn \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng<\/td>\n<\/tr>\n<tr>\n<td>LDF<\/td>\n<td>V\u2080e^(-\u03bbt)<\/td>\n<td>\u03bb &gt; 0.2 cho th\u1ea5y s\u1ef1 gi\u1ea3m nhanh t\u00ednh thanh kho\u1ea3n<\/td>\n<\/tr>\n<tr>\n<td>PIC<\/td>\n<td>\u0394P \/ (V * \u03c3)<\/td>\n<td>&gt;2.0 cho th\u1ea5y t\u00e1c \u0111\u1ed9ng gi\u00e1 cao tr\u00ean m\u1ed7i giao d\u1ecbch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<h2 class='po-article-page__title'>Ph\u00e2n T\u00edch T\u01b0\u01a1ng Quan trong Giao D\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>C\u00e1c h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan gi\u1eefa c\u00e1c t\u00e0i s\u1ea3n th\u01b0\u1eddng thay \u0111\u1ed5i trong c\u00e1c kho\u1ea3ng th\u1eddi gian giao d\u1ecbch ngo\u00e0i gi\u1edd. Hi\u1ec7n t\u01b0\u1ee3ng to\u00e1n h\u1ecdc n\u00e0y t\u1ea1o ra c\u1ea3 r\u1ee7i ro v\u00e0 c\u01a1 h\u1ed9i cho c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 \u0111\u1ecbnh l\u01b0\u1ee3ng \u0111\u00fang c\u00e1c m\u1ed1i quan h\u1ec7 n\u00e0y.<\/p>\n<\/div>\n<div class='po-container po-container_width_article po-article-page__table'>\n<div class='po-table'>\n<table>\n<thead>\n<tr>\n<th>C\u1eb7p T\u00e0i S\u1ea3n<\/th>\n<th>T\u01b0\u01a1ng Quan Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/th>\n<th>T\u01b0\u01a1ng Quan Gi\u1edd Ngo\u00e0i<\/th>\n<th>Kh\u00e1c Bi\u1ec7t Th\u1ed1ng K\u00ea<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S&amp;P 500 \/ NASDAQ<\/td>\n<td>0.92<\/td>\n<td>0.78<\/td>\n<td>\u0110\u00e1ng K\u1ec3 (p&lt;0.05)<\/td>\n<\/tr>\n<tr>\n<td>V\u00e0ng \/ USD<\/td>\n<td>-0.65<\/td>\n<td>-0.42<\/td>\n<td>\u0110\u00e1ng K\u1ec3 (p&lt;0.05)<\/td>\n<\/tr>\n<tr>\n<td>D\u1ea7u \/ Ng\u00e0nh N\u0103ng L\u01b0\u1ee3ng<\/td>\n<td>0.81<\/td>\n<td>0.53<\/td>\n<td>\u0110\u00e1ng K\u1ec3 (p&lt;0.01)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>C\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh to\u00e1n c\u00e1c s\u1ef1 thay \u0111\u1ed5i t\u01b0\u01a1ng quan n\u00e0y l\u00e0:<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>\u0394R = |R(th\u00f4ng th\u01b0\u1eddng) &#8211; R(ngo\u00e0i)| trong \u0111\u00f3 R \u0111\u1ea1i di\u1ec7n cho h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan Pearson<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<h2 class='po-article-page__title'>T\u00ednh To\u00e1n Bi\u1ebfn \u0110\u1ed9ng Trong Giao D\u1ecbch Ngo\u00e0i Gi\u1edd<\/h2>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>C\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 l\u1ec7ch chu\u1ea9n c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh khi \u00e1p d\u1ee5ng cho gi\u1edd giao d\u1ecbch k\u00e9o d\u00e0i. C\u00e1ch ti\u1ebfp c\u1eadn th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng \u0111\u00e1nh gi\u00e1 th\u1ea5p \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng th\u1ef1c do l\u1ed7i l\u1ea5y m\u1eabu trong m\u00f4i tr\u01b0\u1eddng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ea5p.<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm article-content po-article-page__text'>\n<ul class='po-article-page-list'>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>\u01af\u1edbc l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng Parkinson<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>M\u00f4 h\u00ecnh bi\u1ebfn \u0111\u1ed9ng Rogers-Satchell<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>T\u00ednh to\u00e1n bi\u1ebfn \u0111\u1ed9ng Garman-Klass<\/li>\n<li class='po-article-page__text po-article-page__text_no-margin po-list-lvl_1'>\u01af\u1edbc l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng Yang-Zhang<\/li>\n<\/ul>\n<\/div>\n<div class='po-container po-container_width_article po-article-page__table'>\n<div class='po-table'>\n<table>\n<thead>\n<tr>\n<th>M\u00f4 H\u00ecnh Bi\u1ebfn \u0110\u1ed9ng<\/th>\n<th>\u0110\u1ed9 Ch\u00ednh X\u00e1c Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/th>\n<th>\u0110\u1ed9 Ch\u00ednh X\u00e1c Gi\u1edd Ngo\u00e0i<\/th>\n<th>H\u1ec7 S\u1ed1 \u0110i\u1ec1u Ch\u1ec9nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9 L\u1ec7ch Chu\u1ea9n<\/td>\n<td>Cao<\/td>\n<td>K\u00e9m<\/td>\n<td>1.7-2.3x<\/td>\n<\/tr>\n<tr>\n<td>Parkinson<\/td>\n<td>Trung B\u00ecnh<\/td>\n<td>Trung B\u00ecnh<\/td>\n<td>1.3-1.6x<\/td>\n<\/tr>\n<tr>\n<td>Yang-Zhang<\/td>\n<td>Cao<\/td>\n<td>Cao<\/td>\n<td>1.1-1.3x<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>\u01af\u1edbc l\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed9ng Yang-Zhang \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh cho giao d\u1ecbch ngo\u00e0i gi\u1edd \u0111\u01b0\u1ee3c t\u00ednh nh\u01b0 sau:<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>\u03c3\u00b2YZ = \u03c3\u00b2O + k\u00b7\u03c3\u00b2C + (1-k)\u00b7\u03c3\u00b2RS<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>Trong \u0111\u00f3 k \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1eeb 0.34 (chu\u1ea9n) l\u00ean 0.51 cho giao d\u1ecbch ngo\u00e0i gi\u1edd \u0111\u1ec3 t\u00ednh \u0111\u1ebfn c\u00e1c \u0111\u1ed9ng l\u1ef1c gi\u00e1 kh\u00e1c nhau.<\/p>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<h2 class='po-article-page__title'>Y\u00eau C\u1ea7u K\u00edch Th\u01b0\u1edbc M\u1eabu D\u1eef Li\u1ec7u<\/h2>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>T\u00ednh h\u1ee3p l\u1ec7 th\u1ed1ng k\u00ea trong ph\u00e2n t\u00edch giao d\u1ecbch ngo\u00e0i gi\u1edd y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc m\u1eabu l\u1edbn h\u01a1n so v\u1edbi ph\u00e2n t\u00edch th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng do t\u1ef7 l\u1ec7 nhi\u1ec5u tr\u00ean t\u00edn hi\u1ec7u cao h\u01a1n. Th\u1ef1c t\u1ebf to\u00e1n h\u1ecdc n\u00e0y th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e2n t\u00edch nh\u1eadn ra.<\/p>\n<\/div>\n<div class='po-container po-container_width_article po-article-page__table'>\n<div class='po-table'>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5p \u0110\u1ed9 Tin C\u1eady<\/th>\n<th>M\u1eabu Gi\u1edd Th\u00f4ng Th\u01b0\u1eddng<\/th>\n<th>M\u1eabu Gi\u1edd Ngo\u00e0i<\/th>\n<th>T\u1ef7 L\u1ec7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>90%<\/td>\n<td>30 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td>\n<td>75 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td>\n<td>2.5x<\/td>\n<\/tr>\n<tr>\n<td>95%<\/td>\n<td>60 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td>\n<td>168 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td>\n<td>2.8x<\/td>\n<\/tr>\n<tr>\n<td>99%<\/td>\n<td>100 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td>\n<td>290 \u0111i\u1ec3m d\u1eef li\u1ec7u<\/td>\n<td>2.9x<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n    <div class=\"po-container po-container_width_article\">\n        <a href=\"\/en\/quick-start\/\" class=\"po-line-banner po-article-page__line-banner\">\n            <svg class=\"svg-image po-line-banner__logo\" fill=\"currentColor\" width=\"auto\" height=\"auto\"\n                 aria-hidden=\"true\">\n                <use href=\"#svg-img-logo-white\"><\/use>\n            <\/svg>\n            <span class=\"po-line-banner__btn\"><\/span>\n        <\/a>\n    <\/div>\n    \n<div class='po-container po-container_width_article-sm'>\n<h2 class='po-article-page__title'>K\u1ebft Lu\u1eadn<\/h2>\n<\/div>\n<div class='po-container po-container_width_article-sm'>\n<p class='po-article-page__text'>Ph\u00e2n t\u00edch to\u00e1n h\u1ecdc c\u1ee7a giao d\u1ecbch ngo\u00e0i gi\u1edd y\u00eau c\u1ea7u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p chuy\u00ean bi\u1ec7t t\u00ednh \u0111\u1ebfn t\u00ednh thanh kho\u1ea3n th\u1ea5p h\u01a1n, \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng cao h\u01a1n v\u00e0 c\u00e1c c\u1ea5u tr\u00fac t\u01b0\u01a1ng quan kh\u00e1c nhau. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh th\u1ed1ng k\u00ea ph\u00f9 h\u1ee3p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c ch\u1ec9 s\u1ed1 truy\u1ec1n th\u1ed1ng, c\u00e1c nh\u00e0 giao d\u1ecbch c\u00f3 th\u1ec3 r\u00fat ra th\u00f4ng tin ch\u00ednh x\u00e1c h\u01a1n t\u1eeb c\u00e1c chuy\u1ec3n \u0111\u1ed9ng th\u1ecb tr\u01b0\u1eddng sau gi\u1edd giao d\u1ecbch. Nh\u1eefng k\u1ef9 thu\u1eadt n\u00e0y t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh l\u01b0\u1ee3ng cho giao d\u1ecbch ngo\u00e0i gi\u1edd th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng.<\/p>\n<\/div>\n"},"faq":[{"question":"Kh\u1ed1i l\u01b0\u1ee3ng \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn ph\u00e2n t\u00edch th\u1ed1ng k\u00ea trong giao d\u1ecbch ngo\u00e0i gi\u1edd?","answer":"Kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch th\u1ea5p h\u01a1n trong gi\u1edd m\u1edf r\u1ed9ng t\u1ea1o ra c\u00e1c l\u1ed7i l\u1ea5y m\u1eabu l\u1edbn h\u01a1n trong c\u00e1c ph\u00e9p \u0111o th\u1ed1ng k\u00ea. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u t\u0103ng k\u00edch th\u01b0\u1edbc m\u1eabu l\u00ean 2.5-3 l\u1ea7n so v\u1edbi ph\u00e2n t\u00edch trong gi\u1edd giao d\u1ecbch b\u00ecnh th\u01b0\u1eddng v\u00e0 \u00e1p d\u1ee5ng c\u00e1c y\u1ebfu t\u1ed1 \u0111i\u1ec1u ch\u1ec9nh cho c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh h\u1ee3p l\u1ec7 th\u1ed1ng k\u00ea."},{"question":"Bi\u1ec7n ph\u00e1p t\u01b0\u01a1ng quan n\u00e0o ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t cho giao d\u1ecbch ngo\u00e0i gi\u1edd?","answer":"H\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan h\u1ea1ng Spearman th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan Pearson trong giao d\u1ecbch ngo\u00e0i gi\u1edd v\u00ec n\u00f3 \u00edt nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb ngo\u1ea1i lai v\u00e0 ph\u00e2n ph\u1ed1i kh\u00f4ng chu\u1ea9n th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c th\u1ecb tr\u01b0\u1eddng m\u1ecfng v\u1edbi nh\u1eefng c\u00fa nh\u1ea3y gi\u00e1 l\u1edbn."},{"question":"T\u1ea1i sao c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng ti\u00eau chu\u1ea9n l\u1ea1i th\u1ea5t b\u1ea1i trong gi\u1edd giao d\u1ecbch k\u00e9o d\u00e0i?","answer":"C\u00e1c ch\u1ec9 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng ti\u00eau chu\u1ea9n gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i li\u00ean t\u1ee5c v\u00e0 ph\u00e2n ph\u1ed1i b\u00ecnh th\u01b0\u1eddng. Giao d\u1ecbch ngo\u00e0i gi\u1edd c\u00f3 gi\u00e1 c\u1ea3 kh\u00f4ng li\u00ean t\u1ee5c v\u00e0 ph\u00e2n ph\u1ed1i \u0111u\u00f4i d\u00e0y, y\u00eau c\u1ea7u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh nh\u01b0 \u01b0\u1edbc l\u01b0\u1ee3ng Yang-Zhang v\u1edbi c\u00e1c tham s\u1ed1 \u0111i\u1ec1u ch\u1ec9nh."},{"question":"L\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 b\u1ea5t th\u01b0\u1eddng trong giao d\u1ecbch ngo\u00e0i gi\u1edd m\u1ed9t c\u00e1ch to\u00e1n h\u1ecdc?","answer":"T\u00ednh to\u00e1n \u0111i\u1ec3m z c\u1ee7a c\u00e1c chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 b\u1eb1ng c\u00f4ng th\u1ee9c z = (x - \u03bc)\/\u03c3, trong \u0111\u00f3 \u03bc v\u00e0 \u03c3 \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb d\u1eef li\u1ec7u gi\u1edd giao d\u1ecbch m\u1edf r\u1ed9ng l\u1ecbch s\u1eed thay v\u00ec d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng. C\u00e1c \u0111i\u1ec3m z v\u01b0\u1ee3t qu\u00e1 2.5 th\u01b0\u1eddng ch\u1ec9 ra nh\u1eefng b\u1ea5t th\u01b0\u1eddng c\u00f3 \u00fd ngh\u0129a th\u1ed1ng k\u00ea."},{"question":"Th\u1eddi gian nh\u00ecn l\u1ea1i d\u1eef li\u1ec7u t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft cho ph\u00e2n t\u00edch gi\u1edd giao d\u1ecbch m\u1edf r\u1ed9ng \u0111\u00e1ng tin c\u1eady l\u00e0 bao l\u00e2u?","answer":"\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p l\u1ec7 th\u1ed1ng k\u00ea, ph\u00e2n t\u00edch gi\u1edd m\u1edf r\u1ed9ng th\u01b0\u1eddng y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u 3-6 th\u00e1ng d\u1eef li\u1ec7u l\u1ecbch s\u1eed, so v\u1edbi 1-2 th\u00e1ng cho gi\u1edd giao d\u1ecbch th\u00f4ng th\u01b0\u1eddng. Th\u1eddi gian d\u00e0i h\u01a1n n\u00e0y gi\u00fap b\u00f9 \u0111\u1eafp cho c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u th\u01b0a th\u1edbt h\u01a1n v\u00e0 m\u1ee9c \u0111\u1ed9 nhi\u1ec5u cao h\u01a1n \u0111\u1eb7c tr\u01b0ng c\u1ee7a giao d\u1ecbch ngo\u00e0i gi\u1edd."}],"faq_source":{"label":"FAQ","type":"repeater","formatted_value":[{"question":"Kh\u1ed1i l\u01b0\u1ee3ng \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn ph\u00e2n t\u00edch th\u1ed1ng k\u00ea trong giao d\u1ecbch ngo\u00e0i gi\u1edd?","answer":"Kh\u1ed1i l\u01b0\u1ee3ng giao d\u1ecbch th\u1ea5p h\u01a1n trong gi\u1edd m\u1edf r\u1ed9ng t\u1ea1o ra c\u00e1c l\u1ed7i l\u1ea5y m\u1eabu l\u1edbn h\u01a1n trong c\u00e1c ph\u00e9p \u0111o th\u1ed1ng k\u00ea. \u0110i\u1ec1u n\u00e0y y\u00eau c\u1ea7u t\u0103ng k\u00edch th\u01b0\u1edbc m\u1eabu l\u00ean 2.5-3 l\u1ea7n so v\u1edbi ph\u00e2n t\u00edch trong gi\u1edd giao d\u1ecbch b\u00ecnh th\u01b0\u1eddng v\u00e0 \u00e1p d\u1ee5ng c\u00e1c y\u1ebfu t\u1ed1 \u0111i\u1ec1u ch\u1ec9nh cho c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng \u0111\u1ec3 duy tr\u00ec t\u00ednh h\u1ee3p l\u1ec7 th\u1ed1ng k\u00ea."},{"question":"Bi\u1ec7n ph\u00e1p t\u01b0\u01a1ng quan n\u00e0o ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t cho giao d\u1ecbch ngo\u00e0i gi\u1edd?","answer":"H\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan h\u1ea1ng Spearman th\u01b0\u1eddng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n h\u1ec7 s\u1ed1 t\u01b0\u01a1ng quan Pearson trong giao d\u1ecbch ngo\u00e0i gi\u1edd v\u00ec n\u00f3 \u00edt nh\u1ea1y c\u1ea3m h\u01a1n v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb ngo\u1ea1i lai v\u00e0 ph\u00e2n ph\u1ed1i kh\u00f4ng chu\u1ea9n th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c th\u1ecb tr\u01b0\u1eddng m\u1ecfng v\u1edbi nh\u1eefng c\u00fa nh\u1ea3y gi\u00e1 l\u1edbn."},{"question":"T\u1ea1i sao c\u00e1c ph\u00e9p \u0111o \u0111\u1ed9 bi\u1ebfn \u0111\u1ed9ng ti\u00eau chu\u1ea9n l\u1ea1i th\u1ea5t b\u1ea1i trong gi\u1edd giao d\u1ecbch k\u00e9o d\u00e0i?","answer":"C\u00e1c ch\u1ec9 s\u1ed1 bi\u1ebfn \u0111\u1ed9ng ti\u00eau chu\u1ea9n gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i li\u00ean t\u1ee5c v\u00e0 ph\u00e2n ph\u1ed1i b\u00ecnh th\u01b0\u1eddng. Giao d\u1ecbch ngo\u00e0i gi\u1edd c\u00f3 gi\u00e1 c\u1ea3 kh\u00f4ng li\u00ean t\u1ee5c v\u00e0 ph\u00e2n ph\u1ed1i \u0111u\u00f4i d\u00e0y, y\u00eau c\u1ea7u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ec9nh nh\u01b0 \u01b0\u1edbc l\u01b0\u1ee3ng Yang-Zhang v\u1edbi c\u00e1c tham s\u1ed1 \u0111i\u1ec1u ch\u1ec9nh."},{"question":"L\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c bi\u1ebfn \u0111\u1ed9ng gi\u00e1 b\u1ea5t th\u01b0\u1eddng trong giao d\u1ecbch ngo\u00e0i gi\u1edd m\u1ed9t c\u00e1ch to\u00e1n h\u1ecdc?","answer":"T\u00ednh to\u00e1n \u0111i\u1ec3m z c\u1ee7a c\u00e1c chuy\u1ec3n \u0111\u1ed9ng gi\u00e1 b\u1eb1ng c\u00f4ng th\u1ee9c z = (x - \u03bc)\/\u03c3, trong \u0111\u00f3 \u03bc v\u00e0 \u03c3 \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb d\u1eef li\u1ec7u gi\u1edd giao d\u1ecbch m\u1edf r\u1ed9ng l\u1ecbch s\u1eed thay v\u00ec d\u1eef li\u1ec7u th\u1ecb tr\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng. C\u00e1c \u0111i\u1ec3m z v\u01b0\u1ee3t qu\u00e1 2.5 th\u01b0\u1eddng ch\u1ec9 ra nh\u1eefng b\u1ea5t th\u01b0\u1eddng c\u00f3 \u00fd ngh\u0129a th\u1ed1ng k\u00ea."},{"question":"Th\u1eddi gian nh\u00ecn l\u1ea1i d\u1eef li\u1ec7u t\u1ed1i thi\u1ec3u c\u1ea7n thi\u1ebft cho ph\u00e2n t\u00edch gi\u1edd giao d\u1ecbch m\u1edf r\u1ed9ng \u0111\u00e1ng tin c\u1eady l\u00e0 bao l\u00e2u?","answer":"\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh h\u1ee3p l\u1ec7 th\u1ed1ng k\u00ea, ph\u00e2n t\u00edch gi\u1edd m\u1edf r\u1ed9ng th\u01b0\u1eddng y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u 3-6 th\u00e1ng d\u1eef li\u1ec7u l\u1ecbch s\u1eed, so v\u1edbi 1-2 th\u00e1ng cho gi\u1edd giao d\u1ecbch th\u00f4ng th\u01b0\u1eddng. Th\u1eddi gian d\u00e0i h\u01a1n n\u00e0y gi\u00fap b\u00f9 \u0111\u1eafp cho c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u th\u01b0a th\u1edbt h\u01a1n v\u00e0 m\u1ee9c \u0111\u1ed9 nhi\u1ec5u cao h\u01a1n \u0111\u1eb7c tr\u01b0ng c\u1ee7a giao d\u1ecbch ngo\u00e0i gi\u1edd."}]}},"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 ngo\u00e0i gi\u1edd: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc cho ph\u00e2n t\u00edch d\u1eef li\u1ec7u<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pocketoption.com\/blog\/vt\/knowledge-base\/markets\/extended-hours-trading\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Giao d\u1ecbch ngo\u00e0i gi\u1edd: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc cho ph\u00e2n t\u00edch d\u1eef li\u1ec7u\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pocketoption.com\/blog\/vt\/knowledge-base\/markets\/extended-hours-trading\/\" \/>\n<meta property=\"og:site_name\" content=\"Pocket Option blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-07T08:29:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pocketoption.com\/blog\/wp-content\/uploads\/2025\/04\/1742024725944-42132830-5.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1840\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Tatiana OK\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Tatiana OK\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/pocketoption.com\/blog\/vt\/knowledge-base\/markets\/extended-hours-trading\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/pocketoption.com\/blog\/vt\/knowledge-base\/markets\/extended-hours-trading\/\"},\"author\":{\"name\":\"Tatiana OK\",\"@id\":\"https:\/\/pocketoption.com\/blog\/vt\/#\/schema\/person\/7021606f7d6abf56a4dfe12af297820d\"},\"headline\":\"Giao d\u1ecbch ngo\u00e0i gi\u1edd: C\u00e1c ph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc cho ph\u00e2n t\u00edch d\u1eef 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