When does the American stock exchange open? Complete schedules for NYSE, Nasdaq, and NYSE American

Trading Hours Every Investor Must Know

If you’re interested in trading in the U.S. stock markets, it’s essential to know exactly when the American stock exchange opens in its different versions. In reality, there isn’t just one exchange, but three main markets that operate with similar hours but distinctive features.

NYSE: The Wall Street Giant

The New York Stock Exchange is the largest and most prestigious in the world. Its regular trading hours start at 9:30 am Eastern Time (ET) and close at 4:00 pm. However, the market is active for more hours:

  • Pre-market: From 4:00 am to 9:30 am
  • Regular hours: From 9:30 am to 4:00 pm
  • After-hours: From 4:00 pm to 8:00 pm

This schedule is maintained Monday through Friday. On Saturdays and Sundays, the exchange remains closed.

Nasdaq: The Technology Market

Nasdaq, or the National Association of Securities Dealers Automated Quotation, operates with the same hours as the NYSE. It typically opens at 9:30 am and closes at 4:00 pm. The main difference lies in the types of companies listed: while the NYSE includes traditional financial stocks, Nasdaq focuses on technology and biotechnology.

Nasdaq’s extended hours also coincide:

  • Pre-market: 4:00 am to 9:30 am
  • Regular session: 9:30 am to 4:00 pm
  • After-hours: 4:00 pm to 8:00 pm

NYSE American: The Small Cap Market

NYSE American (formerly AMEX) is where small caps are listed, companies with high potential but lower liquidity. Its regular opening is also at 9:30 am and closes at 4:00 pm.

The notable difference is in pre-market hours, which start later:

  • Pre-market: 7:00 am to 9:30 am
  • Regular hours: 9:30 am to 4:00 pm
  • After-hours: 4:00 pm to 8:00 pm

Time Conversion for Latin America

To know when the American stock exchange opens from your time zone, consult this reference:

Location Opening Closing
Madrid 3:30 pm 10:00 pm
Caracas 8:30 am 3:30 pm
Lima 8:00 am 3:00 pm
Buenos Aires 10:30 am 5:00 pm
Mexico City 8:00 am 3:00 pm
Santiago de Chile 8:30 am 3:30 pm
Bogotá 8:00 am 3:00 pm
La Paz 8:30 am 3:30 pm
Quito 8:00 am 3:00 pm
Montevideo 8:30 am 3:30 pm

Market Holidays (2025)

Both markets share almost the same holidays:

Holiday Date
New Year’s Day Wednesday, January 1
Martin Luther King Jr. Monday, January 20
Washington’s Birthday Monday, February 17
Good Friday Friday, April 18
Memorial Day Monday, May 26
Juneteenth Thursday, June 19
Independence Day Friday, July 4
Labor Day Monday, September 1
Thanksgiving Thursday, November 27
Christmas Thursday, December 25

Final Considerations for Trading

Understanding when the U.S. stock exchange opens is just the first step. Traders should consider that pre-market and after-hours trading have lower liquidity and higher volatility. The regular hours (9:30 am to 4:00 pm ET) are when the most activity occurs, and prices respond more accurately to market fundamentals.

To maximize your opportunities, plan your trades considering your local time zone and the peak activity hours in the U.S. markets.

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