Quick Check: When Do U.S. Stocks Open? A Must-Know for Taiwanese Investors
The U.S. stock market operates in regular trading hours, pre-market trading, and after-hours trading. Due to the implementation of daylight saving time and standard time in the U.S., while Taiwan does not adjust throughout the year, investors need to pay special attention to time differences.
Key Time Slots at a Glance:
Trading Phase
Eastern Time (ET)
Taiwan Time (Winter)
Taiwan Time (Summer)
Pre-market
4:00-9:30
17:00-22:30
16:30-21:30
Regular Trading
9:30-16:00
22:30-5:00
21:30-4:00
After-hours
16:00-20:00
5:00-9:00
4:00-8:00
Currently, the U.S. has entered the winter daylight saving period (from November 2, 2025). Taiwanese investors engaging in regular U.S. stock trading need to do so between 10:30 PM and 5:00 AM the next day.
Time Difference Adjustment Guide: Summer and Winter Time Changes Reminder
There is a significant time difference between U.S. and Taiwan, which changes annually due to daylight saving time adjustments. The annual time difference changes as follows:
Time Difference Adjustment Cycle:
Daylight Saving Time (DST): Starts at 2:00 AM on the second Sunday in March, ends at 2:00 AM on the first Sunday in November
Standard Time: Starts at 2:00 AM on the first Sunday in November, ends at 2:00 AM on the second Sunday in March of the following year
When the U.S. switches to daylight saving time, clocks move forward by 1 hour; when switching back to standard time, clocks are set back by 1 hour. Investors should recalculate Taiwan’s corresponding time during these switches to avoid missing important trading opportunities.
When Will U.S. Stock Markets Close in 2026? A Lazy Guide to Major Holidays
U.S. stock markets close on federal holidays and significant commemorative days. The 2026 U.S. stock market holiday schedule is as follows:
Closing Date
Holiday Name
Notes
January 1
New Year’s Day
Closed all day
January 19
Martin Luther King Jr. Day
Closed all day
February 16
Washington’s Birthday
Closed all day
April 3
Good Friday
Closed all day
May 25
Memorial Day
Closed all day
June 19
Juneteenth National Independence Day
Closed all day
July 3
Independence Day (Early)
Market closes early on July 3rd since July 4th is a Saturday
July 4
Independence Day
Closed all day
September 7
Labor Day
Closed all day
November 26
Thanksgiving Day
Closed all day
November 27
Day after Thanksgiving
Closes early at 1:00 PM (Early)
December 24
Christmas Eve
Closes early at 1:00 PM (Early)
December 25
Christmas Day
Closed all day
Taiwanese investors should avoid placing orders on these U.S. market holiday dates to prevent orders from failing to execute.
Understanding the Three Major U.S. Stock Exchanges: Independent Operations
The biggest difference between U.S. stocks and Taiwanese stocks is the number of exchanges. Taiwanese stocks are concentrated on the Taiwan Stock Exchange (TWSE), whereas U.S. stocks are traded across three major exchanges, each operating independently. Their opening and closing times are synchronized, but trading rules differ slightly.
New York Stock Exchange (NYSE): The World’s Largest Stock Market
The NYSE, based on total market capitalization of listed securities, is the largest stock trading platform globally, with over 3,500 listed companies. It employs a hybrid model of electronic and floor trading, with floor trading still used for setting prices and handling large institutional trades.
NASDAQ (NASDAQ): The World’s First Electronic Exchange
NASDAQ is the first fully electronic securities market in the world. Investors can trade directly via phone or internet without a physical trading floor. Known for high-tech stocks, it includes giants like Microsoft, Apple, and other global leaders.
American Stock Exchange (AMEX): The Main Venue for Small and Mid-Cap Stocks
The AMEX, the third-largest U.S. stock market, operates similarly to the NYSE but mainly lists small and mid-cap stocks. Its unique feature is that it is the only exchange that trades stocks, futures, and derivatives simultaneously. In 2008, it was acquired by the NYSE and is now called NYSE American.
Quick Overview of U.S. Stock Trading Rules
Trading Unit: 1 share
Trading Currency: USD(USD)
Settlement Cycle: T+3(3 business days after trade date)
Commission Fees: About 1% for manual orders; 0.5%-1% for electronic orders
Global Stock Market Opening and Closing Times
Besides U.S. stocks, investors can also monitor other major stock markets. Below are the trading hours and corresponding local times in Taiwan:
Exchange
Trading Hours
Taiwan Local Time
China Securities Exchanges
9:30-11:30, 13:00-15:00
9:30-11:30, 13:00-15:00
Tokyo Stock Exchange (Japan)
9:00-11:30, 12:30-15:00
8:00-10:30, 11:30-14:00
London Stock Exchange (UK)
8:00-16:30
16:00-00:30
Hong Kong Exchanges
9:15-16:00
9:15-16:00
Toronto Stock Exchange
9:30-16:00
22:30-05:00
Deutsche Börse (Germany)
8:00-22:00
15:00-5:00
Australian Securities Exchange
10:00-16:00
8:00-14:00
Mastering the rhythm of U.S. stock trading helps seize every opportunity. Whether it’s paying attention to market open times, planning trading strategies, or being aware of market holidays, investors should establish a clear sense of timing to avoid mistakes caused by time differences or holidays.
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Complete US stock trading guide for 2026: opening hours, market holidays, and Taiwan time conversion analysis
Quick Check: When Do U.S. Stocks Open? A Must-Know for Taiwanese Investors
The U.S. stock market operates in regular trading hours, pre-market trading, and after-hours trading. Due to the implementation of daylight saving time and standard time in the U.S., while Taiwan does not adjust throughout the year, investors need to pay special attention to time differences.
Key Time Slots at a Glance:
Currently, the U.S. has entered the winter daylight saving period (from November 2, 2025). Taiwanese investors engaging in regular U.S. stock trading need to do so between 10:30 PM and 5:00 AM the next day.
Time Difference Adjustment Guide: Summer and Winter Time Changes Reminder
There is a significant time difference between U.S. and Taiwan, which changes annually due to daylight saving time adjustments. The annual time difference changes as follows:
Time Difference Adjustment Cycle:
When the U.S. switches to daylight saving time, clocks move forward by 1 hour; when switching back to standard time, clocks are set back by 1 hour. Investors should recalculate Taiwan’s corresponding time during these switches to avoid missing important trading opportunities.
When Will U.S. Stock Markets Close in 2026? A Lazy Guide to Major Holidays
U.S. stock markets close on federal holidays and significant commemorative days. The 2026 U.S. stock market holiday schedule is as follows:
Taiwanese investors should avoid placing orders on these U.S. market holiday dates to prevent orders from failing to execute.
Understanding the Three Major U.S. Stock Exchanges: Independent Operations
The biggest difference between U.S. stocks and Taiwanese stocks is the number of exchanges. Taiwanese stocks are concentrated on the Taiwan Stock Exchange (TWSE), whereas U.S. stocks are traded across three major exchanges, each operating independently. Their opening and closing times are synchronized, but trading rules differ slightly.
New York Stock Exchange (NYSE): The World’s Largest Stock Market
The NYSE, based on total market capitalization of listed securities, is the largest stock trading platform globally, with over 3,500 listed companies. It employs a hybrid model of electronic and floor trading, with floor trading still used for setting prices and handling large institutional trades.
NASDAQ (NASDAQ): The World’s First Electronic Exchange
NASDAQ is the first fully electronic securities market in the world. Investors can trade directly via phone or internet without a physical trading floor. Known for high-tech stocks, it includes giants like Microsoft, Apple, and other global leaders.
American Stock Exchange (AMEX): The Main Venue for Small and Mid-Cap Stocks
The AMEX, the third-largest U.S. stock market, operates similarly to the NYSE but mainly lists small and mid-cap stocks. Its unique feature is that it is the only exchange that trades stocks, futures, and derivatives simultaneously. In 2008, it was acquired by the NYSE and is now called NYSE American.
Quick Overview of U.S. Stock Trading Rules
Global Stock Market Opening and Closing Times
Besides U.S. stocks, investors can also monitor other major stock markets. Below are the trading hours and corresponding local times in Taiwan:
Mastering the rhythm of U.S. stock trading helps seize every opportunity. Whether it’s paying attention to market open times, planning trading strategies, or being aware of market holidays, investors should establish a clear sense of timing to avoid mistakes caused by time differences or holidays.