Is Cboe Index Options open on Friday 18 September 2026?
Yes
Yes. Cboe Index Options is open on Friday 18 September 2026, trading from 08:30 to 15:15 CDT (Chicago time).
–
Regular hours
See also Cboe Index Options hours today and Cboe Index Options holidays 2026
TSX
B3
LSE
Xetra
Euronext Paris