OITracker Cboe delayed data

Contract OI history

Back to NOW

Jan 15, 2027 EXPIRATION

NOW $336.00 Call

NOW270115C00336000

Latest saved OI341Oct 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 $336.00 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. 3411700 2026-10-02: 340 OI2026-10-05: 341 OI2026-10-06: 341 OI2026-10-07: 341 OI2026-10-08: 341 OI2026-10-09: 341 OI2026-10-13: 341 OI2026-10-14: 341 OI2026-10-15: 341 OI2026-10-16: 341 OI2026-10-21: 341 OI2026-10-23: 341 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, 2026Viewing3410
Oct 21, 20263410
Oct 16, 20263410
Oct 15, 20263410
Oct 14, 20263410
Oct 13, 20263410
Oct 09, 20263410
Oct 08, 20263410
Oct 07, 20263410
Oct 06, 20263410
Oct 05, 2026341+1
Oct 02, 2026340No prior observation