OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CPB $28.00 Call

CPB261120C00028000

Latest saved OI183Oct 23, 2026
Last change-16vs 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. 199990 2026-10-09: 199 OI2026-10-13: 199 OI2026-10-14: 199 OI2026-10-15: 199 OI2026-10-16: 199 OI2026-10-21: 199 OI2026-10-23: 183 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, 2026Viewing183-16
Oct 21, 20261990
Oct 16, 20261990
Oct 15, 20261990
Oct 14, 20261990
Oct 13, 20261990
Oct 09, 2026199No prior observation