OITracker Cboe delayed data

Contract OI history

Back to CPB

Jan 21, 2028 EXPIRATION

CPB $23.00 Put

CPB280121P00023000

Latest saved OI2,624Oct 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 $23.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,6241,3120 2026-10-09: 2,622 OI2026-10-13: 2,622 OI2026-10-14: 2,622 OI2026-10-15: 2,622 OI2026-10-16: 2,622 OI2026-10-21: 2,624 OI2026-10-23: 2,624 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, 2026Viewing2,6240
Oct 21, 20262,624+2
Oct 16, 20262,6220
Oct 15, 20262,6220
Oct 14, 20262,6220
Oct 13, 20262,6220
Oct 09, 20262,622No prior observation