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Contract OI history

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May 21, 2027 EXPIRATION

NOW $140.00 Put

NOW270521P00140000

Latest saved OI67Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $140.00 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. 67330 2026-10-02: 29 OI2026-10-05: 29 OI2026-10-06: 33 OI2026-10-07: 34 OI2026-10-08: 34 OI2026-10-09: 37 OI2026-10-13: 37 OI2026-10-14: 37 OI2026-10-15: 37 OI2026-10-16: 37 OI2026-10-21: 64 OI2026-10-23: 67 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, 202667+3
Oct 21, 2026Viewing64+27
Oct 16, 2026370
Oct 15, 2026370
Oct 14, 2026370
Oct 13, 2026370
Oct 09, 202637+3
Oct 08, 2026340
Oct 07, 202634+1
Oct 06, 202633+4
Oct 05, 2026290
Oct 02, 202629No prior observation