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Contract OI history

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Dec 18, 2026 EXPIRATION

NOW $145.00 Put

NOW261218P00145000

Latest saved OI314Oct 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 $145.00 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. 3171580 2026-10-02: 110 OI2026-10-05: 110 OI2026-10-06: 110 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 116 OI2026-10-13: 140 OI2026-10-14: 140 OI2026-10-15: 140 OI2026-10-16: 161 OI2026-10-21: 317 OI2026-10-23: 314 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, 2026Viewing314-3
Oct 21, 2026317+156
Oct 16, 2026161+21
Oct 15, 20261400
Oct 14, 20261400
Oct 13, 2026140+24
Oct 09, 2026116+6
Oct 08, 20261100
Oct 07, 20261100
Oct 06, 20261100
Oct 05, 20261100
Oct 02, 2026110No prior observation