OITracker Cboe delayed data

Contract OI history

Back to NOW

Jan 15, 2027 EXPIRATION

NOW $308.00 Call

NOW270115C00308000

Latest saved OI3,173Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $308.00 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. 3,1731,5860 2026-10-02: 3,170 OI2026-10-05: 3,170 OI2026-10-06: 3,170 OI2026-10-07: 3,170 OI2026-10-08: 3,170 OI2026-10-09: 3,171 OI2026-10-13: 3,171 OI2026-10-14: 3,171 OI2026-10-15: 3,171 OI2026-10-16: 3,171 OI2026-10-21: 3,171 OI2026-10-23: 3,173 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, 2026Viewing3,173+2
Oct 21, 20263,1710
Oct 16, 20263,1710
Oct 15, 20263,1710
Oct 14, 20263,1710
Oct 13, 20263,1710
Oct 09, 20263,171+1
Oct 08, 20263,1700
Oct 07, 20263,1700
Oct 06, 20263,1700
Oct 05, 20263,1700
Oct 02, 20263,170No prior observation