OITracker Cboe delayed data

Contract OI history

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Nov 27, 2026 EXPIRATION

BB $3.50 Call

BB261127C00003500

Latest saved OI1,538Oct 23, 2026
Last change+158vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $3.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,5387690 2026-10-09: 0 OI2026-10-13: 361 OI2026-10-14: 361 OI2026-10-15: 745 OI2026-10-16: 1,182 OI2026-10-21: 1,380 OI2026-10-23: 1,538 OI Oct 09, 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, 2026Viewing1,538+158
Oct 21, 20261,380+198
Oct 16, 20261,182+437
Oct 15, 2026745+384
Oct 14, 20263610
Oct 13, 2026361+361
Oct 09, 20260No prior observation