Is Cboe Index Options open on Sunday 18 October 2026?
No
No. Cboe Index Options does not trade on Sundays. It reopens on Monday 19 October 2026.
No trading
See also Cboe Index Options hours today and Cboe Index Options holidays 2026
Related markets on 18 Oct 2026
| NYSE | No trading |
| Nasdaq | No trading |
| CME Equity | No trading |
| Cboe Options | No trading |
| IEX | No trading |
 TSX | No trading |
 B3 | No trading |
 LSE | No trading |
 Xetra | No trading |
 Euronext Paris | No trading |