NYSE: NYSE Market Information
www.nyse.com › markets › nyse-arcaView Holidays and Holiday Hours. Trading Hours 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; 4:00 a.m. ET - Opening Auction