OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

NOW $175.00 Put

NOW261120P00175000

Latest saved OI113Oct 23, 2026
Last change-28vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $175.00 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. 175870 2026-10-02: 131 OI2026-10-05: 131 OI2026-10-06: 131 OI2026-10-07: 131 OI2026-10-08: 131 OI2026-10-09: 136 OI2026-10-13: 137 OI2026-10-14: 137 OI2026-10-15: 134 OI2026-10-16: 175 OI2026-10-21: 141 OI2026-10-23: 113 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, 2026113-28
Oct 21, 2026Viewing141-34
Oct 16, 2026175+41
Oct 15, 2026134-3
Oct 14, 20261370
Oct 13, 2026137+1
Oct 09, 2026136+5
Oct 08, 20261310
Oct 07, 20261310
Oct 06, 20261310
Oct 05, 20261310
Oct 02, 2026131No prior observation