OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $100.00 Put

NOW261218P00100000

Latest saved OI2,482Oct 23, 2026
Last change-31vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $100.00 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. 2,5941,2970 2026-10-02: 2,528 OI2026-10-05: 2,538 OI2026-10-06: 2,594 OI2026-10-07: 2,575 OI2026-10-08: 2,575 OI2026-10-09: 2,561 OI2026-10-13: 2,526 OI2026-10-14: 2,526 OI2026-10-15: 2,523 OI2026-10-16: 2,515 OI2026-10-21: 2,513 OI2026-10-23: 2,482 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, 20262,482-31
Oct 21, 2026Viewing2,513-2
Oct 16, 20262,515-8
Oct 15, 20262,523-3
Oct 14, 20262,5260
Oct 13, 20262,526-35
Oct 09, 20262,561-14
Oct 08, 20262,5750
Oct 07, 20262,575-19
Oct 06, 20262,594+56
Oct 05, 20262,538+10
Oct 02, 20262,528No prior observation