OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $155.00 Put

NOW261218P00155000

Latest saved OI472Oct 23, 2026
Last change+93vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $155.00 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. 4722360 2026-10-02: 360 OI2026-10-05: 360 OI2026-10-06: 360 OI2026-10-07: 364 OI2026-10-08: 364 OI2026-10-09: 365 OI2026-10-13: 363 OI2026-10-14: 363 OI2026-10-15: 363 OI2026-10-16: 363 OI2026-10-21: 379 OI2026-10-23: 472 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, 2026472+93
Oct 21, 2026Viewing379+16
Oct 16, 20263630
Oct 15, 20263630
Oct 14, 20263630
Oct 13, 2026363-2
Oct 09, 2026365+1
Oct 08, 20263640
Oct 07, 2026364+4
Oct 06, 20263600
Oct 05, 20263600
Oct 02, 2026360No prior observation