OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BB $4.00 Call

BB280121C00004000

Latest saved OI1,046Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $4.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0705350 2026-10-02: 1,070 OI2026-10-05: 1,070 OI2026-10-06: 1,047 OI2026-10-07: 1,048 OI2026-10-08: 1,048 OI2026-10-09: 1,048 OI2026-10-13: 1,048 OI2026-10-14: 1,048 OI2026-10-15: 1,047 OI2026-10-16: 1,047 OI2026-10-21: 1,047 OI2026-10-23: 1,046 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, 2026Viewing1,046-1
Oct 21, 20261,0470
Oct 16, 20261,0470
Oct 15, 20261,047-1
Oct 14, 20261,0480
Oct 13, 20261,0480
Oct 09, 20261,0480
Oct 08, 20261,0480
Oct 07, 20261,048+1
Oct 06, 20261,047-23
Oct 05, 20261,0700
Oct 02, 20261,070No prior observation