OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

NOW $144.00 Put

NOW261023P00144000

Latest saved OI828Oct 23, 2026
Last change+345vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $144.00 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. 8284140 2026-10-02: 3 OI2026-10-05: 3 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 11 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 47 OI2026-10-16: 124 OI2026-10-21: 483 OI2026-10-23: 828 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, 2026Viewing828+345
Oct 21, 2026483+359
Oct 16, 2026124+77
Oct 15, 2026470
Oct 14, 2026470
Oct 13, 202647+36
Oct 09, 202611+8
Oct 08, 202630
Oct 07, 202630
Oct 06, 202630
Oct 05, 202630
Oct 02, 20263No prior observation