OITracker Cboe delayed data

Contract OI history

Back to B

Jan 21, 2028 EXPIRATION

B $23.00 Call

B280121C00023000

Latest saved OI383Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $23.00 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. 4012000 2026-10-02: 401 OI2026-10-05: 401 OI2026-10-06: 401 OI2026-10-07: 401 OI2026-10-08: 401 OI2026-10-09: 401 OI2026-10-13: 401 OI2026-10-14: 401 OI2026-10-15: 401 OI2026-10-16: 381 OI2026-10-21: 381 OI2026-10-23: 383 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, 2026Viewing383+2
Oct 21, 20263810
Oct 16, 2026381-20
Oct 15, 20264010
Oct 14, 20264010
Oct 13, 20264010
Oct 09, 20264010
Oct 08, 20264010
Oct 07, 20264010
Oct 06, 20264010
Oct 05, 20264010
Oct 02, 2026401No prior observation