Market Hours
Market hours are the times when a market is open for trading; many stock exchanges trade only on weekdays, while crypto markets trade around the clock.
Every market has a schedule. Stock exchanges open and close at set times on weekdays, currency markets run almost continuously from Monday to Friday, and crypto never closes. When you trade matters: liquidity, spreads and the risk of overnight gaps all depend on the clock. This entry explains regular and extended hours, how schedules differ between markets, and what closed markets mean for your positions.
- Category
- Trading Basics
- Reading time
- 5 min
- Also called
- Trading hours, Opening hours, Pre-market
- Updated
Market hours in plain words
A stock exchange works like a shop with opening hours. During regular hours most buyers and sellers are present, so prices are tight and orders fill easily.1 See Liquidity.
Some brokers also offer pre-market and after-hours trading. Fewer people trade then, so spreads are wider and prices can jump more. See Bid-Ask Spread.
How to work with market hours, step by step
Know your market’s schedule
Check the exchange’s official hours and holiday calendar, in your own time zone.2
Watch for daylight-saving shifts
Countries change clocks on different dates, so the gap between your time and the exchange’s can change for a few weeks.
Know when news arrives
Company results and economic data often come outside regular hours. See Earnings.
Check your order settings
Many orders are valid only in regular hours unless you choose otherwise.
Decide about holding overnight
A closed market can reopen at a very different price. See Price Gap.
Prefer liquid hours for size
Bigger orders usually get better fills when most participants are active.
Worked examples
Example 1 — Stop and the overnight gap
GapA trader holds 100 shares bought at $40 with a stop at $38. Bad news comes out after the close; the stock opens at $33.
| Planned loss | 100 × $2 = $200 |
| Actual loss | 100 × $7 = $700 |
While the market is closed, a stop cannot fill. It triggers at the first available price after the open.
Example 2 — Wider spread after hours
CostDuring regular hours a stock is quoted $50.00 / $50.02. After hours it is $49.80 / $50.20.
| Regular spread | $0.02 |
| After-hours spread | $0.40 |
| Extra cost on 500 shares | 500 × $0.38 = $190 |
Thin trading outside regular hours makes every round trip more expensive.
Example 3 — Weekend in crypto vs. stocks
ComparisonA big news event breaks on a Saturday. Bitcoin trades through it; a related stock cannot trade until Monday.
| Crypto | Price adjusts in real time |
| Stock | Adjusts at Monday’s open, often with a gap |
Round-the-clock markets avoid weekend gaps but leave positions exposed at all hours.
How schedules differ
| Aspect | Typical schedule | Main consequence |
|---|---|---|
| Stock exchanges | Set hours on weekdays, closed on holidays | Overnight and weekend gaps |
| Currency markets | Almost continuous, Monday to Friday | Weekend gaps; activity varies by session |
| Exchange futures | Long electronic sessions with short breaks | Thin trading at night |
| Crypto | 24 hours, 7 days | No closing; quiet hours can be thin |
Why market hours matter
Execution quality
Spreads and slippage are usually lowest when most traders are active. See Slippage.
Gap risk
Positions held while a market is closed can reopen far away.
Planning
Day traders schedule their work around the most active hours. See Day Trading.
News timing
Knowing when reports come out helps you decide what to hold.
Advantages and disadvantages
Advantages
- Regular hours concentrate liquidity and tighten spreads.
- Extended hours let you react to news earlier.
- Fixed schedules make event risk predictable.
Disadvantages
- Closed markets create overnight and weekend gaps.
- Extended-hours trading is thin and volatile.
- Time zones and holidays are easy to get wrong.
- Some order types do not work outside regular hours.
Going deeper
Read as far as you need. Each level builds on the one before it.
The open and the close are busy
Beginner
The first and last parts of a regular session usually have the heaviest volume and the biggest moves of the day. See Volume.
Extended-hours prices can mislead
Intermediate
A big after-hours move on light volume does not always hold once the full market opens. Treat it as an early signal, not a final price.
Closing auctions
Advanced
Many exchanges set the official closing price in an auction. A large share of the day’s volume can trade there, which matters for funds that track closing prices.
Common mistakes
Forgetting holidays
Check the exchange calendar before planning trades.
Trusting stops overnight
A stop cannot protect you from a gap.
Using market orders after hours
Thin books can fill far from the last price; use limits. See Limit Order.
Mixing up time zones
Convert every schedule to your own time, including daylight-saving changes.
Check your understanding
Test yourself before moving on. Each answer comes with an explanation.
Key points to remember
- Each market has its own schedule; check it in your time zone.
- Regular hours have the best liquidity and tightest spreads.
- Extended hours are thinner and more volatile.
- Closed markets create gap risk that stops cannot prevent.
- Crypto trades around the clock, so there are no gaps, but no breaks either.
Frequently asked questions
Can I trade stocks before the market opens?
Does the crypto market close?
Why did my stop not fill at its price?
Further learning
- Trading Session
How activity shifts through the 24-hour day.
- Price Gap
What happens when a market reopens at a new price.
- Liquidity
Why active hours give better fills.
- Limit Order
The safer order type outside regular hours.
Sources
This article is written in our own words. The sources below support the specific facts, rules and figures marked with a number in the text. Links open the original publisher’s page.
- Investor.gov (SEC). Extended-Hours Trading: Investor Bulletin (opens in a new tab) Checked .
- Investor.gov (SEC). Holiday Schedules and Trading Hours (National Securities Exchanges) (opens in a new tab) Checked .
Educational content, not financial advice. Examples use hypothetical prices and simplified costs; actual fees, margin rules and regulations vary by broker, market and country. We are not affiliated with any publisher linked above. Last reviewed . Report an error or request a source credit.