OITracker Cboe delayed data

Contract OI history

Back to CPB

Mar 19, 2027 EXPIRATION

CPB $35.00 Call

CPB270319C00035000

Latest saved OI142Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $35.00 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. 142710 2026-10-09: 142 OI2026-10-13: 142 OI2026-10-14: 142 OI2026-10-15: 142 OI2026-10-16: 142 OI2026-10-21: 142 OI2026-10-23: 142 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, 2026Viewing1420
Oct 21, 20261420
Oct 16, 20261420
Oct 15, 20261420
Oct 14, 20261420
Oct 13, 20261420
Oct 09, 2026142No prior observation