Detailed Guide to the US Stock Market Trading Hours for Vietnamese Investors

The Importance of the US Stock Market

The US stock market plays a central role in the global financial system, with a market capitalization of approximately $30.44 trillion, accounting for about 50% of the total world market value. This figure is five times larger than the second-largest market (China, $6.32 trillion), and over 200,000 times greater than the Vietnamese stock market.

Currently, the United States has nearly 20 active exchanges, with the three leading exchanges—NYSE, Nasdaq, and AMEX—dominating trading volume.

The Three Main Stock Exchanges in the US

New York Stock Exchange (NYSE)

NYSE is the oldest stock exchange with a history of 228 years and is the largest by market capitalization globally ($30 trillion according to 2018 data). It lists over 2,400 stocks and financial instruments, including major economic indices such as Dow Jones, S&P 500, and NYSE Composite.

Nasdaq Stock Market (NASDAQ)

Nasdaq ranks second worldwide in market capitalization, with a total value of $10 trillion. It lists approximately 3,500 stocks and financial instruments, mainly technology companies and startups like Microsoft, Apple, Twitter, and Amazon.

AMEX Stock Exchange

AMEX (American Stock Exchange / NYSE Amex) is the third-largest exchange in the US by trading volume. It pioneered derivatives instruments such as options (1975) and ETFs (1993). The exchange focuses on small-cap stocks with around 8,000 derivative financial products.

Basic US Stock Market Trading Hours

To make it easier for Vietnamese investors to follow, here are the detailed trading hours of the US stock market converted to Hanoi time (GMT +7):

Exchange Trading Hours (ET) Vietnam Time (GMT +7) Pre-Market Trading After-Hours Trading
NYSE Monday - Friday, 9:30 AM - 4:00 PM 8:30 PM - 3:00 AM next day 5:30 PM - 8:30 PM -
Nasdaq Monday - Friday, 9:30 AM - 4:00 PM 8:30 PM - 3:00 AM next day 7:00 PM - 8:30 PM Tuesday - Saturday, 3:00 AM - 5:30 AM
AMEX Monday - Friday, 9:30 AM - 4:00 PM 8:30 PM - 3:00 AM next day 5:30 PM - 8:30 PM Tuesday - Saturday, 3:00 AM - 7:00 AM

AMEX trades on average 253 days per year, with extended hours from 6:30 AM to 8:00 PM ET (from 13:30 to 3:00 the next day in Vietnam).

Seasonal Changes to US Stock Market Trading Hours

The US observes daylight saving time from the second Sunday in March to the first Sunday in November, causing trading hours to shift one hour later.

Exchange ET Time Summer (GMT +7) Winter (GMT +7)
NYSE 9:30 AM - 4:00 PM 9:30 PM - 4:00 AM 10:30 PM - 5:00 AM
Pre-Market 6:30 AM - 9:30 AM 6:30 PM - 9:30 PM 7:30 PM - 10:30 PM
Nasdaq 9:30 AM - 4:00 PM 9:30 PM - 4:00 AM 10:30 PM - 5:00 AM
Pre-Market 8:00 AM - 9:30 AM 8:00 PM - 9:30 PM 9:00 PM - 10:30 PM
After-Hours 4:00 PM - 6:30 PM 4:00 AM - 6:30 AM 5:00 AM - 7:30 AM
AMEX 9:30 AM - 4:00 PM 9:30 PM - 4:00 AM 10:30 PM - 5:00 AM
Pre-Market 6:30 AM - 9:30 AM 6:30 PM - 9:30 PM 7:30 PM - 10:30 PM
After-Hours 4:00 PM - 8:00 PM 4:00 AM - 8:00 AM 5:00 AM - 9:00 AM

US Stock Market Holidays in 2022

Investors should note that US holidays differ significantly from Vietnam. The following days the stock exchanges will be closed:

  • Martin Luther King Jr. Day: Monday, January 17
  • Washington’s Birthday: Monday, February 21
  • Good Friday: Friday, April 15
  • Memorial Day: Monday, May 30
  • Independence Day: Wednesday, July 4
  • Labor Day: Monday, September 5
  • Thanksgiving Day: Thursday, November 24
  • Christmas: Friday, December 26

Comparing US Trading Hours with Other International Markets

For a comprehensive view, here is a comparison of the operating hours of major stock exchanges worldwide:

Exchange Local Time Vietnam Time (GMT +7)
China 9:30 AM - 11:30 AM; 1:00 PM - 3:00 PM 8:30 AM - 10:30 AM; 12:00 PM - 2:00 PM
Tokyo 9:00 AM - 11:30 AM; 12:30 PM - 3:00 PM 7:00 AM - 9:30 AM; 10:30 AM - 1:00 PM
Hong Kong 9:15 AM - 4:00 PM 8:15 AM - 3:00 PM
London 8:00 AM - 4:30 PM 3:00 PM - 11:30 PM
Toronto 9:30 AM - 4:00 PM 9:30 PM - 4:00 AM
Germany 8:00 AM - 10:00 PM 2:00 PM - 4:00 AM
Australia 10:00 AM - 4:00 PM 7:00 AM - 1:00 PM
Bombay 9:15 AM - 3:30 PM 5:45 AM - 11:00 AM

Important Notes for Trading on US Markets

Support for Pre- and Post-Market Trading: Not all brokerage firms in Vietnam support pre-market and after-hours trading. You should check with your broker before planning to trade during these times.

Different Settlement Rules: Settlement times vary depending on account type. Hedge accounts (hedge account) settle T+0, regular margin accounts T+1, and cash accounts T+2.

Seasonal Adjustments: US stock trading hours change with daylight saving time from March to November (. It’s essential to stay updated and adjust your trading schedule accordingly.

Tools to Assist in Managing Trading Hours

Remembering exact trading hours across global markets can be challenging. The best solution is to use electronic calendars to store important times and dates, allowing you to focus fully on your trading strategies.

Platforms like Mitrade offer detailed Economic Calendars, helping you monitor key international events in real-time, ensuring you never miss a trading opportunity.

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