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Contract OI history

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Jan 21, 2028 EXPIRATION

NOW $135.00 Put

NOW280121P00135000

Latest saved OI1,253Oct 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 $135.00 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. 1,2556270 2026-10-02: 1,205 OI2026-10-05: 1,205 OI2026-10-06: 1,204 OI2026-10-07: 1,203 OI2026-10-08: 1,203 OI2026-10-09: 1,245 OI2026-10-13: 1,245 OI2026-10-14: 1,245 OI2026-10-15: 1,255 OI2026-10-16: 1,254 OI2026-10-21: 1,254 OI2026-10-23: 1,253 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, 20261,253-1
Oct 21, 2026Viewing1,2540
Oct 16, 20261,254-1
Oct 15, 20261,255+10
Oct 14, 20261,2450
Oct 13, 20261,2450
Oct 09, 20261,245+42
Oct 08, 20261,2030
Oct 07, 20261,203-1
Oct 06, 20261,204-1
Oct 05, 20261,2050
Oct 02, 20261,205No prior observation