OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

BB $9.00 Put

BB261023P00009000

Latest saved OI2,124Oct 23, 2026
Last change+1,309vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $9.00 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. 2,1241,0620 2026-10-02: 24 OI2026-10-05: 329 OI2026-10-06: 330 OI2026-10-07: 335 OI2026-10-08: 335 OI2026-10-09: 327 OI2026-10-13: 351 OI2026-10-14: 351 OI2026-10-15: 746 OI2026-10-16: 750 OI2026-10-21: 815 OI2026-10-23: 2,124 OI Oct 02, 2026Oct 23, 2026

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

BB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,124+1,309
Oct 21, 2026815+65
Oct 16, 2026750+4
Oct 15, 2026746+395
Oct 14, 20263510
Oct 13, 2026351+24
Oct 09, 2026327-8
Oct 08, 20263350
Oct 07, 2026335+5
Oct 06, 2026330+1
Oct 05, 2026329+305
Oct 02, 202624No prior observation