Is Cboe Index Options open on Monday 25 May 2026?
No
No. Cboe Index Options is closed on Monday 25 May 2026 for Memorial Day. It reopens on Tuesday 26 May 2026.
Memorial Day
See also Cboe Index Options hours today and Cboe Index Options holidays 2026
Related markets on 25 May 2026
| NYSE | Memorial Day |
| Nasdaq | Memorial Day |
| CME Equity | – |
| Cboe Options | Memorial Day |
| IEX | Memorial Day |
 TSX | – |
 B3 | – |
 LSE | Spring Bank Holiday |
 Xetra | – |
 Euronext Paris | – |