OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BB $20.00 Call

BB270319C00020000

Latest saved OI3,599Oct 23, 2026
Last change-100vs 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. 3,6991,8490 2026-10-02: 3,642 OI2026-10-05: 3,640 OI2026-10-06: 3,679 OI2026-10-07: 3,677 OI2026-10-08: 3,677 OI2026-10-09: 3,697 OI2026-10-13: 3,697 OI2026-10-14: 3,697 OI2026-10-15: 3,699 OI2026-10-16: 3,699 OI2026-10-21: 3,699 OI2026-10-23: 3,599 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, 2026Viewing3,599-100
Oct 21, 20263,6990
Oct 16, 20263,6990
Oct 15, 20263,699+2
Oct 14, 20263,6970
Oct 13, 20263,6970
Oct 09, 20263,697+20
Oct 08, 20263,6770
Oct 07, 20263,677-2
Oct 06, 20263,679+39
Oct 05, 20263,640-2
Oct 02, 20263,642No prior observation