2025-2026 US Stock Market Trading Hours Complete Guide | Essential Trading Sessions and Market Holidays for Taiwanese Investors

Important Notice: The United States officially switches to Standard Time at 2:00 AM on November 2, 2025. The regular trading hours are adjusted to 22:30 to 05:00 Taiwan time.

1. Detailed Explanation of U.S. Stock Market Opening and Closing Rules

The U.S. stock market consists of several independently operated securities exchanges, with the New York Stock Exchange, NASDAQ, and American Stock Exchange being the three major markets. Although each exchange operates independently, their opening and closing times are generally aligned.

Complete Schedule for U.S. Stock Market Opening Hours

In Eastern Time, the market open and close periods include:

Basic Market Information

• Main Exchanges: NYSE, NASDAQ, AMEX
• Trading Currency: USD
• Trading Unit: 1 share
• Settlement Cycle: T+3
• Fees: Manual 1%; Electronic 0.5%-1%

2. Time Schedule for Taiwanese Investors

Since the U.S. observes Daylight Saving Time and Standard Time, while Taiwan remains on standard time year-round, Asian investors need to pay special attention to time differences.

U.S. Daylight Saving Time and Standard Time Periods

• Daylight Saving Time: Starts at 2:00 AM on the second Sunday in March and ends at 2:00 AM on the first Sunday in November (clocks move forward 1 hour).
• Standard Time: Starts at 2:00 AM on the first Sunday in November and ends at 2:00 AM on the second Sunday in March (clocks move back 1 hour).

Comparison of U.S. Market Hours and Taiwan Local Time

Investors should adjust their trading schedules seasonally to avoid missing opportunities due to time differences.

3. Complete Dates for U.S. Stock Market Holidays in 2025 and 2026

The U.S. securities exchanges observe holidays with market closures or early closings. Investors must be aware of these dates for strategic planning.

2025 U.S. Market Holidays

2026 U.S. Market Holidays

4. Overview of the Three Major U.S. Stock Exchanges

New York Stock Exchange (NYSE)

As one of the world’s largest stock exchanges, NYSE lists over 3,500 securities by market capitalization. While electronic trading has become mainstream, floor trading still plays a role in price setting and large institutional transactions.

NASDAQ Stock Market

NASDAQ is the world’s first electronic securities market, with all trading conducted via phone and internet, without a physical trading floor. It is renowned for listing high-tech companies like Microsoft, Apple, and other tech giants.

American Stock Exchange (AMEX)

The third-largest U.S. trading platform mainly features small- and mid-cap stocks. It is also the only exchange that can trade stocks, futures, and derivatives simultaneously. After being acquired by NYSE in 2008, it was renamed NYSE American.

5. Major Global Stock Markets Opening Times

To stay informed about international market movements, investors should also understand the opening hours of other major exchanges.

Understanding U.S. market hours and global exchange schedules is crucial for Taiwanese investors planning international portfolios.