OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

NOW $50.00 Put

NOW270319P00050000

Latest saved OI132Oct 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 $50.00 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. 134670 2026-10-02: 134 OI2026-10-05: 134 OI2026-10-06: 134 OI2026-10-07: 134 OI2026-10-08: 134 OI2026-10-09: 134 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-15: 132 OI2026-10-16: 132 OI2026-10-21: 132 OI2026-10-23: 132 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, 20261320
Oct 21, 2026Viewing1320
Oct 16, 20261320
Oct 15, 2026132-2
Oct 14, 20261340
Oct 13, 20261340
Oct 09, 20261340
Oct 08, 20261340
Oct 07, 20261340
Oct 06, 20261340
Oct 05, 20261340
Oct 02, 2026134No prior observation