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Detailed Guide to US Stock Market Trading Hours and International Exchanges
Top U.S. Stock Exchanges Investors Need to Know
The U.S. stock market plays a central role in the global financial system, with a market capitalization of approximately $30.44 trillion, accounting for nearly 50% of the total global market value. This figure is five times larger than China’s market (6.32 trillion USD) and hundreds of thousands of times larger than Vietnam’s stock market.
Currently, there are nearly 20 stock exchanges operating in the United States, but the three largest are NYSE, Nasdaq, and AMEX.
New York Stock Exchange (NYSE)
NYSE is the oldest stock exchange with a history of 228 years, holding the largest market capitalization in the world ($30 trillion USD in 2018). It lists about 2,400 stocks and financial products, including major indices like Dow Jones, S&P 500, and NYSE Composite.
Nasdaq
Nasdaq is the second-largest stock exchange by market capitalization, with a total value of $10 trillion USD. It lists up to 3,500 stocks, with a focus on technology companies and startups such as Microsoft, Apple, Twitter, Amazon.
AMEX
AMEX (American Stock Exchange) is the third-largest in terms of trading volume. This exchange is famous for creating derivative financial instruments like options (1975) and ETFs (1993). About 8,000 products are traded on AMEX, mainly stocks of small-cap companies and derivatives.
U.S. Stock Market Trading Hours in Vietnam Time
To make it easier to follow, below is the U.S. stock trading schedule converted to Vietnam Time (Hanoi, GMT +7):
Main Trading Hours
All three exchanges NYSE, Nasdaq, and AMEX are open for main trading from Monday to Friday, 9:30 AM to 4:00 PM ET, corresponding to 8:30 PM to 3:00 AM the next day in Vietnam time.
Pre-Market Trading
After-Market Trading
AMEX trades on average 253 days per year, with extended hours from 6:30 AM to 8:00 PM ET.
Adjusting U.S. Stock Trading Hours for Seasons
The U.S. observes daylight saving time from the second Sunday in March to the first Sunday in November each year. During this period, the time shifts back by one hour, affecting U.S. stock trading hours when converted to Vietnam time.
Daylight Saving Time (DST)
Standard Time (ST)
U.S. Stock Market Holidays in 2022
U.S. stock exchanges do not operate on national holidays, which differ completely from Vietnam’s holiday schedule. Investors should remember these dates:
Comparing International Stock Trading Hours
Investors are not only interested in U.S. stock trading hours but also need to monitor other major markets:
Important Notes When Trading on U.S. Exchanges
Limitations from Vietnamese Brokers
Not all Vietnamese brokerage firms support pre-market (pre-market) and after-hours (after-market) trading. Investors should verify with their broker before opening an account.
Different Settlement Times
Depending on the account type:
Seasonal Adjustments
The U.S. stock market changes trading hours according to daylight saving time from March to November. Investors should update their trading schedule regularly to avoid missing important trading opportunities.
Tools to Help Manage Trading Hours
Remembering the opening and closing times of global exchanges is a major challenge. Using electronic calendars and economic calendar tools will help you track key events in real-time, allowing you to focus fully on your trading strategies.