Cboe Holiday Reminder - Modified Trading Hours on Thursday, December 25, 2025, and Thursday, January 1, 2026

Reference ID: C2025112600

Applicable Cboe Exchanges: BYX Equities, BZX Equities, EDGA Equities, EDGX Equities, BZX Options, Cboe Options, C2 Options, EDGX Options

OVERVIEW

The tables below outline the modified trading schedules for the Cboe Options Exchanges (Cboe Options (C1), C2, BZX, and EDGX Options) and the Cboe U.S. Equities Exchanges (BYX, BZX, EDGA, and EDGX Equities) in observance of Christmas and New Year's Day. All times referenced in this notice are ET.

The C1 U.S. holiday schedule follows the holiday schedule set forth in the Cboe Options Exchange 24x5 Trading Frequently Asked Questions.

Table 1. Modified Trading Schedule - Christmas
Exchange Wednesday, December 24, 2025 Thursday, December 25, 2025 Friday, December 26, 2025
C1 - Proprietary SPX, VIX, and XSP Options Only
  • GTH close at 9:25 a.m.
  • RTH trading from 9:30 a.m. to 1:15 p.m.
  • No GTH or Curb trading will occur.
  • No RTH or Curb trading will occur.
  • GTH trading from 8:15 p.m. to 9:25 a.m. (next day).
Normal operating hours for all products.
C1 - Non-SPX/VIX/XSP Options ProductsRTH Trading from 9:30 a.m. to 1:00 p.m.*ClosedNormal operating hours for all products.
C2, BZX, and EDGX OptionsRTH Trading from 9:30 a.m. to 1:00 p.m.*ClosedNormal operating hours for all products.
BYX, BZX, EDGA, and EDGX Equities
  • Regular session close for all products at 1:00 p.m.
  • Extended session close at 5:00 p.m.
Closed Normal operating hours for all products.
*RTH trading is extended by 15 minutes for select Index and ETP Options products.
Table 2. Modified Trading Schedule - New Year's Day
Exchange Wednesday, December 31, 2025 Thursday, January 1, 2026 Friday, January 2, 2026
C1 - Proprietary SPX, VIX, and XSP Options Only
  • GTH close at 9:25 a.m.
  • RTH trading from 9:30 a.m. to 4:15 p.m.
  • Curb trading from 4:15 p.m. to 5:00 p.m.
  • No GTH trading will occur.
  • No RTH or Curb trading will occur.
  • GTH trading from 8:15 p.m. to 9:25 a.m. (next day).
Normal operating hours for all products.
C1 - Non-SPX/VIX/XSP Options ProductsNormal operating hours for all products.ClosedNormal operating hours for all products.
C2, BZX, and EDGX OptionsNormal operating hours for all products.ClosedNormal operating hours for all products.
BYX, BZX, EDGA, and EDGX Equities Normal operating hours for all products. Closed Normal operating hours for all products.

TESTING OPPORTUNITIES

The C1 certification environment will be available for simulated U.S. Holiday testing on Wednesday, December 10, 2025, and Thursday December 11, 2025, with a trade date of Friday, December 12, 2025.

Table 3. Simulated Holiday Testing Schedule (C1)
Exchange
  • Wednesday, December 10, 2025
  • Thursday, December 11, 2025
  • Friday, December 12, 2025
C1 Certification - Proprietary SPX, VIX, and XSP Options Only
  • GTH close at 9:25 a.m.
  • RTH trading from 9:30 a.m. to 1:15 p.m.
  • No GTH or Curb trading will occur.
  • No RTH or Curb trading will occur.
  • GTH trading from 8:15 p.m. to 9:25 a.m. (next day).
 Normal operating hours for all products.
C1 Certification - Non-SPX/VIX/XSP Options ProductsRTH Trading from 9:30 a.m. to 1:00 p.m.*ClosedNormal operating hours for all products.
*RTH trading is extended by 15 minutes for select Index and ETP Options products.

ADDITIONAL INFORMATION

Contact Information

Please contact the Cboe Trade Desk or Cboe Operations Support Center for support or with any questions.

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