OITracker Cboe delayed data

Contract OI history

Back to NOW

Jan 15, 2027 EXPIRATION

NOW $176.00 Put

NOW270115P00176000

Latest saved OI325Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $176.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3251620 2026-10-02: 311 OI2026-10-05: 311 OI2026-10-06: 311 OI2026-10-07: 311 OI2026-10-08: 311 OI2026-10-09: 311 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-15: 316 OI2026-10-16: 316 OI2026-10-21: 317 OI2026-10-23: 325 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, 2026Viewing325+8
Oct 21, 2026317+1
Oct 16, 20263160
Oct 15, 20263160
Oct 14, 20263160
Oct 13, 2026316+5
Oct 09, 20263110
Oct 08, 20263110
Oct 07, 20263110
Oct 06, 20263110
Oct 05, 20263110
Oct 02, 2026311No prior observation