OITracker Cboe delayed data

Contract OI history

Back to B

Jan 19, 2029 EXPIRATION

B $28.00 Call

B290119C00028000

Latest saved OI23Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $28.00 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. 23110 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 3 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 23 OI2026-10-21: 23 OI2026-10-23: 23 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing230
Oct 21, 2026230
Oct 16, 202623+17
Oct 15, 202660
Oct 14, 202660
Oct 13, 20266+3
Oct 09, 202630
Oct 08, 202630
Oct 07, 20263+3
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation