OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BB $25.00 Call

BB270319C00025000

Latest saved OI2,317Oct 23, 2026
Last change-158vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BB $25.00 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. 2,4751,2370 2026-10-02: 1,886 OI2026-10-05: 1,991 OI2026-10-06: 1,990 OI2026-10-07: 1,990 OI2026-10-08: 1,990 OI2026-10-09: 2,211 OI2026-10-13: 2,258 OI2026-10-14: 2,258 OI2026-10-15: 2,263 OI2026-10-16: 2,263 OI2026-10-21: 2,475 OI2026-10-23: 2,317 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, 2026Viewing2,317-158
Oct 21, 20262,475+212
Oct 16, 20262,2630
Oct 15, 20262,263+5
Oct 14, 20262,2580
Oct 13, 20262,258+47
Oct 09, 20262,211+221
Oct 08, 20261,9900
Oct 07, 20261,9900
Oct 06, 20261,990-1
Oct 05, 20261,991+105
Oct 02, 20261,886No prior observation