OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

CPB $28.00 Call

CPB280121C00028000

Latest saved OI712Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $28.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7123560 2026-10-09: 691 OI2026-10-13: 691 OI2026-10-14: 691 OI2026-10-15: 690 OI2026-10-16: 692 OI2026-10-21: 694 OI2026-10-23: 712 OI Oct 09, 2026Oct 23, 2026

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

CPB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing712+18
Oct 21, 2026694+2
Oct 16, 2026692+2
Oct 15, 2026690-1
Oct 14, 20266910
Oct 13, 20266910
Oct 09, 2026691No prior observation