OITracker Cboe delayed data

Contract OI history

Back to NOW

Mar 19, 2027 EXPIRATION

NOW $140.00 Call

NOW270319C00140000

Latest saved OI3,081Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $140.00 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. 3,0811,5400 2026-10-02: 2,851 OI2026-10-05: 2,880 OI2026-10-06: 2,906 OI2026-10-07: 2,914 OI2026-10-08: 2,914 OI2026-10-09: 2,926 OI2026-10-13: 2,907 OI2026-10-14: 2,907 OI2026-10-15: 2,943 OI2026-10-16: 3,013 OI2026-10-21: 3,074 OI2026-10-23: 3,081 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, 20263,081+7
Oct 21, 2026Viewing3,074+61
Oct 16, 20263,013+70
Oct 15, 20262,943+36
Oct 14, 20262,9070
Oct 13, 20262,907-19
Oct 09, 20262,926+12
Oct 08, 20262,9140
Oct 07, 20262,914+8
Oct 06, 20262,906+26
Oct 05, 20262,880+29
Oct 02, 20262,851No prior observation