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Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $156.00 Put

NOW261218P00156000

Latest saved OI490Oct 23, 2026
Last change+81vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $156.00 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. 4902450 2026-10-02: 406 OI2026-10-05: 406 OI2026-10-06: 406 OI2026-10-07: 406 OI2026-10-08: 406 OI2026-10-09: 406 OI2026-10-13: 409 OI2026-10-14: 409 OI2026-10-15: 409 OI2026-10-16: 409 OI2026-10-21: 409 OI2026-10-23: 490 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, 2026490+81
Oct 21, 2026Viewing4090
Oct 16, 20264090
Oct 15, 20264090
Oct 14, 20264090
Oct 13, 2026409+3
Oct 09, 20264060
Oct 08, 20264060
Oct 07, 20264060
Oct 06, 20264060
Oct 05, 20264060
Oct 02, 2026406No prior observation