OITracker Cboe delayed data

Contract OI history

Back to NOW

Nov 20, 2026 EXPIRATION

NOW $175.00 Call

NOW261120C00175000

Latest saved OI2,554Oct 23, 2026
Last change+127vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $175.00 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. 2,5541,2770 2026-10-02: 1,931 OI2026-10-05: 1,924 OI2026-10-06: 1,936 OI2026-10-07: 1,943 OI2026-10-08: 1,943 OI2026-10-09: 1,950 OI2026-10-13: 2,115 OI2026-10-14: 2,115 OI2026-10-15: 2,186 OI2026-10-16: 2,273 OI2026-10-21: 2,427 OI2026-10-23: 2,554 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, 20262,554+127
Oct 21, 2026Viewing2,427+154
Oct 16, 20262,273+87
Oct 15, 20262,186+71
Oct 14, 20262,1150
Oct 13, 20262,115+165
Oct 09, 20261,950+7
Oct 08, 20261,9430
Oct 07, 20261,943+7
Oct 06, 20261,936+12
Oct 05, 20261,924-7
Oct 02, 20261,931No prior observation