OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BX $90.00 Put

BX261120P00090000

Latest saved OI1,630Oct 23, 2026
Last change-53vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $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. 1,6838410 2026-10-02: 958 OI2026-10-05: 958 OI2026-10-06: 960 OI2026-10-07: 961 OI2026-10-08: 1,032 OI2026-10-09: 1,052 OI2026-10-13: 1,052 OI2026-10-14: 1,102 OI2026-10-15: 1,222 OI2026-10-16: 1,307 OI2026-10-21: 1,683 OI2026-10-23: 1,630 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,630-53
Oct 21, 20261,683+376
Oct 16, 20261,307+85
Oct 15, 20261,222+120
Oct 14, 20261,102+50
Oct 13, 20261,0520
Oct 09, 20261,052+20
Oct 08, 20261,032+71
Oct 07, 2026961+1
Oct 06, 2026960+2
Oct 05, 20269580
Oct 02, 2026958No prior observation