OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

NOW $155.00 Put

NOW270917P00155000

Latest saved OI135Oct 23, 2026
Last change0vs 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. 136680 2026-10-02: 118 OI2026-10-05: 118 OI2026-10-06: 118 OI2026-10-07: 118 OI2026-10-08: 118 OI2026-10-09: 129 OI2026-10-13: 136 OI2026-10-14: 136 OI2026-10-15: 136 OI2026-10-16: 136 OI2026-10-21: 135 OI2026-10-23: 135 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, 20261350
Oct 21, 2026Viewing135-1
Oct 16, 20261360
Oct 15, 20261360
Oct 14, 20261360
Oct 13, 2026136+7
Oct 09, 2026129+11
Oct 08, 20261180
Oct 07, 20261180
Oct 06, 20261180
Oct 05, 20261180
Oct 02, 2026118No prior observation