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Pre-Opening Session: 3:30 a.m. ET
Limit orders can be entered and will be queued until the Limit Order Auction at 4 a.m. ET.
Opening Session: 4:00 a.m. to 9:30 a.m. ET
- 3:59 a.m. to 4:00 a.m. ET - Opening Auction Freeze Period
Orders that are eligible for the Opening Auction may not be cancelled one minute prior to the Opening Session until the conclusion of the Opening Auction.
- 4:00 a.m. ET - Opening Auction
- 9:29 a.m. to 9:30 a.m. ET - Market Order Freeze Period
Market Orders and Auction-Only Limit Orders may not be canceled. Market Orders and Auction-Only Limit Orders may not be entered on the same side as an imbalance.
- 9:30 a.m. ET - Market Order Auction
Core Trading Session: 9:30 a.m. to 4:00 p.m. ET
- 3:59 p.m. to 4:00 p.m. ET - Closing Auction Freeze Period
Market-on-Close (MOC) and Limit-on-Close (LOC) orders cannot be canceled. MOC and LOC orders may not be entered on the same side as an imbalance.
- 4:00 p.m. ET - Closing Auction Run and Closing Price Disseminated. All Day Orders entered for the core session will be canceled.
Extended Hours: 4:00 pm to 8:00 p.m. ET
- 8:00 p.m. ET - Limit Orders entered after 4:00 p.m. ET are canceled.
- 8:01 p.m. ET - Portfolio Crossing System (PCS) Cross Orders are executed at the conclusion of extended trading hours.
Please note that on early close dates for the NYSE Group, NYSE Arca hours may vary due to our extended trading day.
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