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Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $144.00 Put

NOW261218P00144000

Latest saved OI380Oct 23, 2026
Last change-15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $144.00 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. 3951970 2026-10-02: 352 OI2026-10-05: 349 OI2026-10-06: 350 OI2026-10-07: 350 OI2026-10-08: 350 OI2026-10-09: 353 OI2026-10-13: 386 OI2026-10-14: 386 OI2026-10-15: 386 OI2026-10-16: 387 OI2026-10-21: 395 OI2026-10-23: 380 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, 2026380-15
Oct 21, 2026Viewing395+8
Oct 16, 2026387+1
Oct 15, 20263860
Oct 14, 20263860
Oct 13, 2026386+33
Oct 09, 2026353+3
Oct 08, 20263500
Oct 07, 20263500
Oct 06, 2026350+1
Oct 05, 2026349-3
Oct 02, 2026352No prior observation