OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

NOW $90.00 Put

NOW270521P00090000

Latest saved OI215Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NOW $90.00 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. 2151070 2026-10-02: 157 OI2026-10-05: 163 OI2026-10-06: 163 OI2026-10-07: 163 OI2026-10-08: 163 OI2026-10-09: 163 OI2026-10-13: 163 OI2026-10-14: 163 OI2026-10-15: 199 OI2026-10-16: 214 OI2026-10-21: 215 OI2026-10-23: 215 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, 20262150
Oct 21, 2026Viewing215+1
Oct 16, 2026214+15
Oct 15, 2026199+36
Oct 14, 20261630
Oct 13, 20261630
Oct 09, 20261630
Oct 08, 20261630
Oct 07, 20261630
Oct 06, 20261630
Oct 05, 2026163+6
Oct 02, 2026157No prior observation