OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

BB $8.50 Put

BB261023P00008500

Latest saved OI1,142Oct 23, 2026
Last change-207vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $8.50 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. 1,3496740 2026-10-02: 311 OI2026-10-05: 481 OI2026-10-06: 699 OI2026-10-07: 507 OI2026-10-08: 507 OI2026-10-09: 589 OI2026-10-13: 598 OI2026-10-14: 598 OI2026-10-15: 580 OI2026-10-16: 700 OI2026-10-21: 1,349 OI2026-10-23: 1,142 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, 2026Viewing1,142-207
Oct 21, 20261,349+649
Oct 16, 2026700+120
Oct 15, 2026580-18
Oct 14, 20265980
Oct 13, 2026598+9
Oct 09, 2026589+82
Oct 08, 20265070
Oct 07, 2026507-192
Oct 06, 2026699+218
Oct 05, 2026481+170
Oct 02, 2026311No prior observation