Is Cboe Index Options open on Monday 22 May 2028?
Yes
Yes. Cboe Index Options is open on Monday 22 May 2028, trading from 08:30 to 15:15 CDT (Chicago time).
–
Regular hours
See also Cboe Index Options hours today and Cboe Index Options holidays 2028
Related markets on 22 May 2028
| NYSE | – |
| Nasdaq | – |
| CME Equity | – |
| Cboe Options | – |
| IEX | – |
 TSX | Victoria Day |
 B3 | – |
 LSE | – |
 Xetra | – |
 Euronext Paris | – |