OITracker Cboe delayed data

Contract OI history

Back to NOW

Oct 23, 2026 EXPIRATION

NOW $200.00 Call

NOW261023C00200000

Latest saved OI218Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $200.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2181090 2026-10-02: 191 OI2026-10-05: 191 OI2026-10-06: 193 OI2026-10-07: 193 OI2026-10-08: 193 OI2026-10-09: 194 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 208 OI2026-10-16: 218 OI2026-10-21: 218 OI2026-10-23: 218 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2180
Oct 21, 20262180
Oct 16, 2026218+10
Oct 15, 2026208-3
Oct 14, 20262110
Oct 13, 2026211+17
Oct 09, 2026194+1
Oct 08, 20261930
Oct 07, 20261930
Oct 06, 2026193+2
Oct 05, 20261910
Oct 02, 2026191No prior observation