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Contract OI history

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Dec 15, 2028 EXPIRATION

NOW $100.00 Put

NOW281215P00100000

Latest saved OI631Oct 23, 2026
Last change-1vs 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. 6423210 2026-10-02: 641 OI2026-10-05: 642 OI2026-10-06: 642 OI2026-10-07: 642 OI2026-10-08: 642 OI2026-10-09: 642 OI2026-10-13: 638 OI2026-10-14: 638 OI2026-10-15: 634 OI2026-10-16: 635 OI2026-10-21: 632 OI2026-10-23: 631 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, 2026631-1
Oct 21, 2026Viewing632-3
Oct 16, 2026635+1
Oct 15, 2026634-4
Oct 14, 20266380
Oct 13, 2026638-4
Oct 09, 20266420
Oct 08, 20266420
Oct 07, 20266420
Oct 06, 20266420
Oct 05, 2026642+1
Oct 02, 2026641No prior observation