Pre-Test Schedule

September 26, 2026 - BCP Connectivity Pre-Test #1

Cboe Equities and Cboe Options markets:

7:30 a.m. ET Chicago (secondary) logical ports available for connectivity and login only, not order acceptance. Cboe Trade Desk will be available for customer support.
12:00 p.m. ET - End of testing support window.

CFE market:

6:30 a.m. CT Chicago (secondary) logical ports available for connectivity and login only, not order acceptance. Cboe Trade Desk will be available for customer support.
11:00 a.m. CT - End of testing support window.

October 10, 2026 - BCP Pre-Test #2

The expected pre-test schedule for the Cboe Equities markets (subject to adjustment with notice) will be as follows:

7:30 a.m. ET - Connectivity Chicago (Secondary) sites made available
7:35 a.m. ET - Pre-open trading session begins
8:00 a.m. ET - Cboe initiates switch between Secaucus (Primary) and Chicago (Secondary) sites
8:30 a.m. ET - Connectivity reestablished to Chicago DR site (as Primary) made available and pre-market trading in Chicago (as Primary) site continues
9:30 a.m. ET - Regular market trading session open
10:15 a.m. ET - IPO on BZX using test symbol ZBZX
12:00 p.m. ET - Regular market trading session close
1:00 p.m. ET - Post-market trading session close

The expected pre-test schedule for the Cboe Options markets (subject to adjustment with notice) will be as follows:

7:15 a.m. ET - Connectivity to Chicago (Secondary) sites made available. GTH order acceptance out of Secaucus (Primary) site (C1 Only) begins.
7:30 a.m. ET - GTH session begins (C1 only)
Approximately 8:05 a.m. ET - Begin failover to Chicago (Secondary) sites
9:25 a.m. ET - GTH session ends (C1 only)
9:30 a.m. ET - Regular market trading session open
1:00 p.m. ET - Regular market trading session close, certain index or ETP options trade until 1:15 p.m. ET.

The expected pre-test schedule for the CFE market (subject to adjustment with notice) will be as follows:

6:30 a.m. CT - Connectivity to Chicago (Secondary) site made available. Pre-open/queuing begins
6:35 a.m. CT - GTH session begins out of Secaucus (Primary) site
7:00 a.m. CT - Cboe initiates switch between Secaucus (Primary) and Chicago (Secondary) sites
7:30 a.m. CT - Connectivity reestablished to Chicago DR site (as Primary) made available and pre-open queuing/GTH trading in Chicago (as Primary) site continues
8:30 a.m. CT - GTH session ends, regular market trading session open
12:00 p.m. CT - Regular market trading session close. Daily settlement prices will be calculated and disseminated shortly after the session close.