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What is overnight trading?
What is Overnight Trading?
Overnight trading for US stocks is a distinct session, separate from the regular pre-market, regular market, and after-hours periods. It is designed to accommodate global investors across different time zones, enabling nearly 24-hour trading alongside the other sessions.
Overnight Trading Hours
- Eastern Time (ET): Sunday–Thursday, 8:00 PM–4:00 AM (T+1)
- The first session each week runs from Sunday 8:00 PM to Monday 4:00 AM ET.
- The last session runs from Thursday 8:00 PM to Friday 4:00 AM ET.
| Time Zone | Overnight | Pre-Market | Regular Trading Hours | Post-Market |
|---|---|---|---|---|
Full Day | ||||
| Eastern time | 8:00 pm–4:00 am (+1) | 4:00 am–9:30 am | 9:30 am–4:00 pm | 4:00 pm–8:00 pm |
| KSA time | 3:00 am–11:00 am | 11:00 am–4:30 pm | 4:30 pm–11:00 pm | 11:00 pm–3:00 am (+1) |
Half Day | ||||
| Eastern time | 8:00 pm–4:00 am (+1) | 4:00 am–9:30 am | 9:30 am–1:00 pm | 1:00 pm–5:00 pm |
| KSA time | 3:00 am–11:00 am | 11:00 am–4:30 pm | 4:30 pm–8:00 pm | 8:00 pm–12:00 am |
Important Note:
Overnight trading can experience greater price volatility compared to regular trading hours. Quotes may vary significantly from opening or closing prices in the regular session. Some stocks may have lower liquidity, meaning orders could be only partially filled or may not be filled at all.
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