OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

NOW $145.00 Put

NOW270319P00145000

Latest saved OI510Oct 23, 2026
Last change-23vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $145.00 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. 5332660 2026-10-02: 401 OI2026-10-05: 401 OI2026-10-06: 403 OI2026-10-07: 441 OI2026-10-08: 441 OI2026-10-09: 452 OI2026-10-13: 499 OI2026-10-14: 499 OI2026-10-15: 504 OI2026-10-16: 509 OI2026-10-21: 533 OI2026-10-23: 510 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, 2026510-23
Oct 21, 2026Viewing533+24
Oct 16, 2026509+5
Oct 15, 2026504+5
Oct 14, 20264990
Oct 13, 2026499+47
Oct 09, 2026452+11
Oct 08, 20264410
Oct 07, 2026441+38
Oct 06, 2026403+2
Oct 05, 20264010
Oct 02, 2026401No prior observation