OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

BB $20.00 Call

BB280121C00020000

Latest saved OI4,479Oct 23, 2026
Last change+52vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $20.00 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. 4,4792,2390 2026-10-02: 4,362 OI2026-10-05: 4,362 OI2026-10-06: 4,364 OI2026-10-07: 4,364 OI2026-10-08: 4,364 OI2026-10-09: 4,381 OI2026-10-13: 4,395 OI2026-10-14: 4,395 OI2026-10-15: 4,381 OI2026-10-16: 4,388 OI2026-10-21: 4,427 OI2026-10-23: 4,479 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, 2026Viewing4,479+52
Oct 21, 20264,427+39
Oct 16, 20264,388+7
Oct 15, 20264,381-14
Oct 14, 20264,3950
Oct 13, 20264,395+14
Oct 09, 20264,381+17
Oct 08, 20264,3640
Oct 07, 20264,3640
Oct 06, 20264,364+2
Oct 05, 20264,3620
Oct 02, 20264,362No prior observation