Standard Operating Hours of the U.S. Stock Market

The United States of America is home to the world’s biggest economy by GDP and to the two largest stock exchanges on Earth by market capitalization - the New York Stock Exchange (NYSE) and the NASDAQ. These two stock exchanges command 42.4% of total global market capitalization, with a combined value of $46.7 trillion as of August 2023.

Due to the weight of these markets and the amount of capital that moves through them, it's important for traders and investors to know which hours U.S. stock markets operate. In this article, we explain the opening hours of the U.S. stock markets and which days they close, so that you’ll always know whether the stock market is open today.

2026 U.S. stock market holidays

There are certain days when the U.S. observes or celebrates national holidays or special events, and U.S. stock markets either don’t open, or close early. Those days, which are the same for the NYSE and NASDAQ, are as follows:

Stock markets in the U.S. will be completely inactive on these days, while derivatives and indexes would not see any movement in value though may still be tradeable. As most traders in the U.S. are unlikely to trade during these holidays, other global markets could see less volume and volatility. A large portion of the world’s trading is done by U.S.-based traders, so their absence can cause markets to quieten down during U.S. national holidays.

Provide a comprehensive list of the NYSE holidays for 2026, including dates and any special trading hours associated with days surrounding the holidays. Mention how these closures affect trading activities.

Best stock brokers

Choosing the right broker is important for accessing U.S. stocks efficiently and trading during the market sessions that fit your strategy. The table below compares stock brokers based on key conditions such as platform usability, fees, market access, and overall trading features.

Is the U.S. stock market open today?

Both of the major U.S. stock markets, the New York Stock Exchange (NYSE) and the NASDAQ, open and close at the same time. They open at 9:30AM and close at 4:00PM Eastern Standard Time (EST), the time used in New York where both exchanges are based. They don’t have a lunch break, as stock exchanges around the world do - no time to eat for those money-hungry American stockbrokers! The exchanges are open from Monday to Friday, except on certain national or special holidays, which we’ll list in the next section.

Traders in other parts of the world need to calculate the difference in hours based on their own time zone. For example, for a UK-based trader the times are 2:30PM to 9PM, except for several weeks out of the year when British Summer Time and Daylight Saving Times hours don’t align. Make sure to account for changes in your local time zone and Daylight Savings Time in the USA.

Even if you’re not trading stocks, or are trading stocks on exchanges outside of the U.S., knowing if the stock market is open today or not is important for planning out your trading strategy. Let’s look at some reasons why:

• Global Market Integration: The NYSE and NASDAQ are two of the most influential stock exchanges globally. Its operating hours overlap with those of other major financial centers, including in Europe and Asia. This alignment allows for seamless coordination and integration of trading activities across different time zones, facilitating global market transactions

• Market Sentiment and Trends: The U.S. stock market is a key barometer of global economic health. Its opening hours often set the tone for investor sentiment worldwide. Positive or negative movements in U.S. equities during the market opening hours can influence the mood of investors in other regions, affecting their trading decisions

• Currency Markets: The opening hours of the U.S. stock market coincide with active trading in currency markets. You may notice a sharp increase in volatility, specifically in USD currency pairs, right after the U.S. stock market opens. As a result, movements in U.S. stocks can impact currency exchange rates. Investors tend to observe the U.S. dollar's performance during the stock market open, which may affect their currency-related decisions

• Commodity Markets: Commodities like gold, oil, and other resources are globally traded. U.S. stock market movements can affect commodity prices, as investors assess economic conditions and risk sentiment. Many studies have found correlation between stock market growth and economic growth, which can directly impact commodity movements

• Global Investment Flows: Institutional investors, hedge funds, and multinational corporations can make significant investment decisions based on U.S. stock market movements during its opening hours. These decisions can impact global capital flows

• Capital Relocation Between Assets: It is during the trading hours of U.S. exchanges that major Forex or Crypto players perform major buy and sell transactions and move capital between different asset types (e.g., swapping crypto for spot gold), or between regional markets. Note how the Forex market works when the U.S. markets have a weekend or short trading session - the volatility of oil and gold drops sharply

• Cryptocurrencies: Some analysts have made claims that cryptocurrencies such as Bitcoin see increased volatility during the weekends when stock markets are closed. Data shows that cryptocurrency trading volume decreases significantly on weekends, which is likely because active traders (who may also be trading stocks) cease trading on weekends

The interconnectedness of various global financial markets, paired with the dominance of the U.S. stock market and the world’s usage of the U.S. dollar, make U.S. stocks a powerful influencer in all forms of trading.

Are stock market holidays the same every year?

Some national holidays have a fixed date in the U.S., while others change each year and must always fall on a specific day of the week (i.e. Monday). Typically, if a national holiday falls on a Saturday, it will be observed on the preceding Friday instead. If it falls on a Sunday, the stock markets will be closed on Monday instead.

Even when stock markets close for a day or two, market news and events that impact market prices can still occur. For example, a geopolitical event or pre-scheduled data release on a national holiday may result in a sudden price movement when the stock market next opens. Just because the U.S. stock market stops moving for a day, doesn’t mean the world does! Make sure to account for any relevant market events during stock market closures that could directly impact stock prices.

Resources for traders

Various websites and resources from across the internet can help you to stay informed about U.S. stock market hours and holiday schedules, even providing live updates on whether they’re currently open and including NYSE announcements.

• Traders Union: Trading Hours of the World's Major Stock Exchanges

• NYSE Calendar: The NYSE’s official website features a calendar that keeps users updated on their opening hours, early and late trading sessions, and national holiday closures

• NASDAQ Calendar: The official NASDAQ website features a calendar of all national holidays and special events when the market is closed

• TradingHours: TradingHours.com provides live updates on the opening hours of hundreds of stock markets across the world, and shows live whether they’re presently open or closed

Rules and regulations

The U.S. boasts the world's largest stock market, with a total value of approximately $50 trillion – exceeding 40% of the global market.

Major Stock Exchanges

• The New York Stock Exchange (NYSE), founded in 1792, is the largest exchange globally in terms of the market value of its listed companies.
• The Nasdaq Stock Exchange, also in New York City, is known for its focus on tech companies, hosting giants like Apple, Microsoft, Amazon, and Google (Alphabet).

Trading hours are from 9:30 am to 4 pm Eastern Time on weekdays.

Market Overview

• The S&P 500 Index represents the top 500 U.S. public companies by market value. It's a key benchmark.
• The Dow Jones Industrial Average tracks 30 major companies listed on the NYSE and Nasdaq and is another market barometer.
• Daily trading volumes can hit hundreds of billions of dollars, with sectors like Tech, Healthcare, and Finance seeing the most action.
• The 5 biggest S&P 500 companies account for over 20% of the index's total value, showing the influence of major corporations.
• Historically, the S&P 500 has delivered around 8-10% annual returns on average over the long term, including dividends.
• The sheer size of the U.S. stock market, almost double the nation's GDP, highlights its major impact on the economy.

Regulations

The U.S. Securities and Exchange Commission (SEC) leads regulation of the U.S. securities industry.

The Financial Industry Regulatory Authority (FINRA) acts as a self-regulatory body overseeing brokerage firms and stock exchanges.

Trade when liquidity supports your strategy

Andrey Mastykin Head of Company Reviews and Ratings

Understanding U.S. stock market hours is about more than knowing when the NYSE and NASDAQ open. I would pay special attention to the first hours after the opening bell, when liquidity and volatility are typically stronger and market direction often becomes clearer.

At the same time, pre-market and after-hours sessions require more caution because lower liquidity can lead to wider spreads and sharper price moves. For most traders, especially beginners, regular market hours provide a more stable environment for execution and risk management.

Conclusion

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Team that worked on the article

Jason Law

Contributor

Jason Law is a freelance writer and journalist and a Traders Union website contributor. While his main areas of expertise are currently finance and investing, he’s also a generalist writer covering news, current events, and travel.

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Dr. BJ Johnson

Developmental English Editor

Dr. BJ Johnson is a PhD in English Language and an editor with over 15 years of experience. He earned his degree in English Language in the U.S and the UK.

Mirjan Hipolito

Cryptocurrency and stock expert

Mirjan Hipolito is a journalist and news editor at Traders Union. She is an expert crypto writer with five years of experience in the financial markets.