The stock market opens at 9:30 a.m. Eastern Time and closes at 4:00 p.m. Eastern Time, Monday through Friday

The regular trading day on the major U.S. stock exchanges — the New York Stock Exchange (NYSE) and the NASDAQ — runs from 9:30 a.m. to 4:00 p.m. Eastern Time. This is when most individual investors buy and sell stocks, and when the bulk of trading volume happens. If you place an order during these hours, it executes at the price the market is trading at that moment.

These hours explore year-round, including during daylight saving time and standard time. The market does not shift its opening or closing time when the clocks change. If you live on the West Coast, that means the market opens at 6:30 a.m. Pacific Time and closes at 1:00 p.m. Pacific Time.

Key Takeaways

  • Regular trading hours are 9:30 a.m. to 4:00 p.m. Eastern Time, Monday through Friday, and this is when most stock trades happen.
  • Pre-market trading begins as early as 4:00 a.m. Eastern Time, and after-hours trading continues until 8:00 p.m. Eastern Time, but with lower volume and wider price swings.
  • The stock market is closed on weekends and on federal holidays including Thanksgiving, Christmas, and Independence Day.
  • Orders placed outside regular hours may not execute when ready and could fill at a significantly different price than you expected.

Pre-Market Trading: Before 9:30 a.m.

Trading does not actually start at 9:30 a.m. Some brokers allow you to trade before the official opening, a period called pre-market trading. Pre-market trading typically runs from 4:00 a.m. to 9:30 a.m. Eastern Time, though the exact start time depends on your broker.

Pre-market trading has much lower volume than regular hours. Fewer buyers and sellers are active, which means prices can swing more dramatically on smaller trades. If you place a pre-market order, it may not fill at all, or it may fill at a price very different from what you saw on your screen. Most individual investors avoid pre-market trading for this reason.

After-Hours Trading: After 4:00 p.m.

After the market closes at 4:00 p.m., trading continues in what is called the after-hours session. Most brokers offer after-hours trading from 4:00 p.m. to 8:00 p.m. Eastern Time. Some brokers extend this window further, but 8:00 p.m. is the standard cutoff.

Like pre-market trading, after-hours trading has thin volume and wide price swings. A stock might trade at one price during regular hours and move sharply higher or lower after 4:00 p.m. on light volume. If you hold a stock overnight and news breaks after the close, the price could gap up or down significantly when the market opens the next morning. This is why after-hours trading carries more risk for individual investors.

When the Stock Market Is Closed

The stock market is closed on all weekends and on the following federal holidays: New Year's Day, Martin Luther King Jr. Day, Presidents' Day, Good Friday, Memorial Day, Juneteenth, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day. On these days, no regular trading happens and pre-market and after-hours sessions do not run.

The market also closes early — at 1:00 p.m. Eastern Time instead of 4:00 p.m. — on the day after Thanksgiving and on Christmas Eve (if Christmas Eve falls on a weekday). Pre-market and after-hours sessions still run on these early-close days, but the regular session is shorter.

How Time Zones Affect Your Trading Window

The stock market operates on Eastern Time, regardless of where you live. If you are on the West Coast, you need to convert: 9:30 a.m. Eastern is 6:30 a.m. Pacific. If you are in the Mountain Time zone, 9:30 a.m. Eastern is 7:30 a.m. Mountain. Central Time is 8:30 a.m.

This matters because many brokers display market hours in your local time zone, but some display them in Eastern Time. Check your broker's website or app to see which convention they use. If you are planning to trade at market open or close, confirm the exact time in your time zone so you do not miss the window.

Why Orders Outside Regular Hours May Not Fill

If you place a buy or sell order during pre-market or after-hours trading, it sits in a queue until someone on the other side of the trade shows up. If no one wants to buy or sell at your price, the order does not fill. When the regular session opens at 9:30 a.m., your unfilled pre-market order may execute when ready — but possibly at a very different price if the stock has moved overnight.

Many brokers automatically cancel unfilled pre-market orders at 9:30 a.m. unless you tell them otherwise. Check your broker's settings to understand what happens to your orders at market open. If you want an order to carry over from pre-market into the regular session, you may need to place it as a "day order" or "good-till-canceled" order, depending on your broker's terminology.

What Happens at Market Open and Close

The first few minutes after 9:30 a.m. can be volatile. Many orders that were placed overnight or during pre-market trading execute at once, and prices can move sharply. Similarly, the last hour before 4:00 p.m. often sees increased trading activity as investors close positions before the close.

If you are new to trading, you may want to avoid placing orders in the first 15 minutes after open or in the final hour before close. Prices are more stable in the middle of the day. This is not a rule, but it is a pattern many individual investors follow to reduce the risk of a bad fill.

Frequently Asked Questions

Can I trade stocks at 8:00 p.m.?

Most brokers stop accepting after-hours trades at 8:00 p.m. Eastern Time. Some brokers may offer extended hours, but 8:00 p.m. is the standard cutoff. Check your broker's website to see their exact after-hours window. Orders placed after 8:00 p.m. typically sit until the next trading day.

What if I place an order at 4:15 p.m.?

If you place an order at 4:15 p.m. Eastern Time, it enters the after-hours session. It may fill if someone is trading at that time, but the price could be very different from the regular-hours close. If it does not fill during after-hours, it may carry over to the next morning depending on your order type and broker settings.

Does the stock market open earlier on any day?

No, the regular market always opens at 9:30 a.m. Eastern Time. Pre-market trading may start as early as 4:00 a.m., but that is not the official market open. The official open is always 9:30 a.m., Monday through Friday, except on federal holidays when the market is closed.

What time should I place my order if I want it to fill at market open?

If you want your order to fill at the opening price, place it during pre-market trading or just before 9:30 a.m. Use a "market order" if you want it to fill when ready at whatever price is available. Use a "limit order" if you want to specify a price, but understand that limit orders may not fill if the stock opens outside your price range.

Is the market open on election day?

Yes, the stock market is open on election day. Election day is not a federal holiday, so regular trading hours explore. The market opens at 9:30 a.m. and closes at 4:00 p.m. Eastern Time as usual.