OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BB $20.00 Call

BB270115C00020000

Latest saved OI13,135Oct 23, 2026
Last change-219vs 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. 16,7498,3740 2026-10-02: 16,749 OI2026-10-05: 16,729 OI2026-10-06: 16,729 OI2026-10-07: 16,729 OI2026-10-08: 16,729 OI2026-10-09: 13,267 OI2026-10-13: 13,319 OI2026-10-14: 13,319 OI2026-10-15: 13,320 OI2026-10-16: 13,321 OI2026-10-21: 13,354 OI2026-10-23: 13,135 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, 2026Viewing13,135-219
Oct 21, 202613,354+33
Oct 16, 202613,321+1
Oct 15, 202613,320+1
Oct 14, 202613,3190
Oct 13, 202613,319+52
Oct 09, 202613,267-3,462
Oct 08, 202616,7290
Oct 07, 202616,7290
Oct 06, 202616,7290
Oct 05, 202616,729-20
Oct 02, 202616,749No prior observation