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Contract OI history

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Dec 15, 2028 EXPIRATION

NOW $55.00 Put

NOW281215P00055000

Latest saved OI669Oct 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 $55.00 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. 6813400 2026-10-02: 681 OI2026-10-05: 681 OI2026-10-06: 681 OI2026-10-07: 680 OI2026-10-08: 680 OI2026-10-09: 680 OI2026-10-13: 679 OI2026-10-14: 679 OI2026-10-15: 679 OI2026-10-16: 679 OI2026-10-21: 668 OI2026-10-23: 669 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, 2026669+1
Oct 21, 2026Viewing668-11
Oct 16, 20266790
Oct 15, 20266790
Oct 14, 20266790
Oct 13, 2026679-1
Oct 09, 20266800
Oct 08, 20266800
Oct 07, 2026680-1
Oct 06, 20266810
Oct 05, 20266810
Oct 02, 2026681No prior observation