Global OTC Trading Hours and Holidays

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 8 a.m. ET
Opening Session: 8:00 a.m. to 9:30 a.m. ET
  • 7:59 a.m. to 8:00 a.m. ET - Opening Auction Freeze Period
  • 8:00 a.m. ET - Opening Auction
  • 9:29 a.m. to 9:30 a.m. ET - Market Order Auction Freeze Period
  • 9:30 a.m. ET - Market Order Auction

Orders that are eligible for the Opening Auction may not be canceled one minute prior to the Opening Session until the conclusion of the Opening Auction.

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.

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
  • 4:00 p.m. ET - Closing Auction Run and Closing Price Disseminated. All Day Orders entered for the core session will be canceled

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.

Extended Hours: 4:00 pm to 4:15 p.m. ET
  • 4:15 p.m. ET - Limit Orders entered after 4:00 p.m. ET are canceled
Late Trading Session: 4:00 p.m. to 4:15 p.m. ET

Holidays

Global OTC will observe U.S. holidays as listed below.

202620272028
New Years DayThursday, January 1Friday, January 1-*
Martin Luther King, Jr. DayMonday, January 20Monday, January 18Monday, January 17
Washington's BirthdayMonday, February 16Monday, February 15Monday, February 21
Good FridayFriday, April 3Friday, March 26Friday, April 14
Memorial DayMonday, May 25Monday, May 31Monday, May 29
Juneteenth National Independence DayThursday, June 19Friday, June 18 (Juneteenth National Independence Day observed)Monday, June 19
Independence DayFriday, July 3 (Independence Day observed)Friday, July 3 (Independence Day observed)Tuesday, July 4**
Labor DayMonday, September 7Monday, September 6Monday, September 4
Thanksgiving DayThursday, November 26***Thursday, November 25***Thursday, November 23***
ChristmasFriday, December 25****Friday, December 25***Monday, December 25

** Global OTC will close early at 1:00 p.m. on Monday, July 3, 2028. Regular trading session will close at 1:00 p.m. Eastern Time (ET). Global OTC will remain open for the extended trading session until 1:15 p.m. Eastern Time (ET).

*** Global OTC will close early at 1:00 p.m. on Friday, November 27, 2026, Friday, November 26, 2027, and Friday, November 24, 2028 (the day after Thanksgiving). Regular trading session will close at 1:00 p.m. Eastern Time (ET). Global OTC will remain open for the extended trading session until 1:15 p.m. Eastern Time (ET).

**** Global OTC will close early at 1:00 p.m. on Thursday, December 24, 2026. Regular trading session will close at 1:00 p.m. Eastern Time (ET). Global OTC will remain open for the extended trading session until 1:15 p.m. Eastern Time (ET).

-*Because the holiday falls on Saturday, January 1, 2028, no New Year's Day holiday is observed

Customer Support

For Global OTC Trading Support:
Email: [email protected]

For General Information and Support:
Phone: 1-212-896-2830 Option 4
Email: [email protected]

For Market Data Support:
Email: [email protected]