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Trading Hours on B3: What Changed and How to Prepare

08 September 2025
4 min to read
Crude Oil Futures Trading Hours

Starting today, the new trading hours on B3 come into effect, bringing strategic adjustments that directly affect stocks, futures contracts, ETFs, and other financial instruments available. The change, motivated by daylight saving time in international markets, aims to better align the operation of the Brazilian stock exchange with major global financial centers, such as New York and London. For Pocket Option investors, this adaptation represents both a challenge and an opportunity to enhance gains with optimized strategies.

Changes in Stock Exchange Opening Hours and Global Synchronization

The new configuration brings forward the pre-opening phase and the start of the regular session. As a result, assets will be traded earlier, synchronizing the operating hours of the Brazilian stock exchange with the liquidity flows of international markets.

Main changes:

  • Regular stock opening: 10 am (previously 10:30 am)
  • Closing: 5:55 pm (closing auction until 6 pm)
  • After market B3 hours: from 6:30 pm to 7:30 pm

This synchronization aims for greater efficiency for those who follow news and events in real-time, especially in the commodities and technology sectors. According to Lucas Bianchi, partner at Bradesco Asset, “the time synergy with major financial centers can generate operational efficiency gains and more arbitrage opportunities for funds and institutional investors.”

Impact of the New Schedule on the Market and Strategies

With the new B3 schedule today, investors gain more useful time to trade based on international indicators. Additionally, there will be better integration with the forex and commodities market, especially for those trading assets correlated to oil and metals.

Simplified Comparison:

Stage

Old Schedule

New Schedule

Regular Opening

10:30 am

10 am

Closing

5 pm

5:55 pm

After Market

5:30 pm–6:30 pm

6:30 pm–7:30 pm

“For day traders, this additional early opening window is critical: international volume directly influences the behavior of the first candles,” highlights Caio Sasaki, analyst at Rico.

Forex Market Trading Hours

Unlike B3, the forex market operates 24 hours a day, 5 days a week, starting with the Sydney session and ending with New York. Session overlaps are the times of greatest liquidity and opportunity for trading currencies, commodities, and international indices.

Key Session GMT Hours:

  • Sydney: 10 pm – 7 am
  • Tokyo: 12 am – 9 am
  • London: 8 am – 5 pm
  • New York: 1 pm – 10 pm

During daylight saving time in the US and Europe, these sessions move forward, affecting crosses like EUR/USD and GBP/USD. Traders should adjust strategies according to these seasonal changes.

Crude Oil Trading Software: OTC Opportunities

With the schedule change, the relevance of crude oil trading software increases, as traders need tools that operate outside traditional hours. Pocket Option offers 24/7 oil trading through OTC assets:

How it works on Pocket Option:

  1. Choose the oil instrument (WTI or Brent)
  2. Analyze charts and technical indicators
  3. Set order value (minimum $1) and expiration (from 5 seconds)
  4. Choose Buy or Sell

Trading follows the same flow as other assets and allows quick reactions to geopolitical news.

Changes in B3 Stocks and Futures Contracts

The new B3 futures schedule directly affects contracts like mini-index and mini-dollar. Opening and closing times have been adjusted:

  • Mini-index and mini-dollar: from 9 am to 6:25 pm
  • Commodities futures (oil, coffee, gold): vary between 9 am and 6 pm, with adjustments during daylight saving time

This adaptation increases overlap with exchanges like CME (Chicago) and LME (London), allowing more effective arbitrage.

Key for investors:

  • Follow B3 mini-index schedule

  • Observe liquidity during high volatility periods (NY opening, Europe closing)

“The change especially impacts multi-market funds, which rely on agility between long positions in commodities and short positions in currencies,” comments Leandro Ruschel, derivatives specialist.

How to Prepare for the Changes

For B3 and forex investors, it is essential to:

  • Update systems and alarms with the new operating hours
  • Reevaluate entry/exit strategies according to new liquidity windows
  • Use tools like economic calendars and platforms with real-time updates
  • Be aware of stock exchange operating days and national holidays

Relevance of International Hours and Trading Platform

Besides Brazil, investors should consider the opening hours of world exchanges, such as:

  • NYSE (New York): 10:30 am to 5 pm (BR time)
  • LSE (London): 5 am to 1:30 pm (BR time)
  • TSE (Tokyo): 9 pm to 3 am (BR time)

Understanding these hours helps synchronize strategies with relevant events, such as FOMC releases, ECB decisions, or US payroll data. Platforms offering these real-time updates are essential for efficient trading.

A New Scenario of Opportunities and Strategic Options

The new trading schedule of B3 is not just an operational change. It represents a new phase of integration with the global market. For traders and investors, especially Pocket Option users, the moment is one of adaptation and opportunity.

Using modern platforms, staying informed about the stock exchange operating hours today, and leveraging OTC instruments to trade commodities like oil can be decisive for success.

With over 100 assets available, including cryptocurrencies, and the ability to trade 24/7 with OTC instruments, Pocket Option positions itself as the ideal partner for this new dynamic and globalized environment. Use our trading platform app for instant market access 24/7.

FAQ

What are the main trading hours for crude oil futures?

The main trading hours for crude oil futures generally extend from Sunday afternoon to Friday afternoon Eastern Time in the USA. For example, WTI crude oil futures on the CME Group (NYMEX) are traded from 6:00 PM on Sunday until 5:00 PM on Friday.

How do oil futures trading hours affect market liquidity?

The trading hours of oil futures significantly impact market liquidity. Generally, liquidity is higher during the overlap of major global trading sessions, particularly when both European and North American markets are active.

Can I trade crude oil futures 24 hours a day?

Although many crude oil futures markets operate almost 24 hours a day, there are usually brief periods when the markets are closed, typically for one or two hours each day for system maintenance. Always check the specific hours of the exchange you are trading on.

What are the trading hours for CL futures?

The CL futures, which refer to the WTI Crude Oil futures traded on the NYMEX, operate from 6:00 PM ET on Sunday until 5:00 PM ET on Friday, with a 60-minute break every day starting at 5:00 PM ET.

How can I stay updated on changes in crude oil trading hours?

To stay updated on crude oil trading hours, regularly check the official websites of the exchanges where it operates. Platforms like Pocket Option also often provide updated information on trading hours for various markets, including crude oil futures.

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