OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

BX $90.00 Put

BX261023P00090000

Latest saved OI344Oct 23, 2026
Last change+9vs 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. 3441720 2026-10-02: 279 OI2026-10-05: 279 OI2026-10-06: 280 OI2026-10-07: 287 OI2026-10-08: 290 OI2026-10-09: 295 OI2026-10-13: 295 OI2026-10-14: 295 OI2026-10-15: 301 OI2026-10-16: 302 OI2026-10-21: 335 OI2026-10-23: 344 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, 2026Viewing344+9
Oct 21, 2026335+33
Oct 16, 2026302+1
Oct 15, 2026301+6
Oct 14, 20262950
Oct 13, 20262950
Oct 09, 2026295+5
Oct 08, 2026290+3
Oct 07, 2026287+7
Oct 06, 2026280+1
Oct 05, 20262790
Oct 02, 2026279No prior observation