OITracker Cboe delayed data

Contract OI history

Back to CPB

Oct 23, 2026 EXPIRATION

CPB $21.00 Call

CPB261023C00021000

Latest saved OI709Oct 23, 2026
Last change+99vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $21.00 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. 7093540 2026-10-09: 497 OI2026-10-13: 496 OI2026-10-14: 496 OI2026-10-15: 496 OI2026-10-16: 592 OI2026-10-21: 610 OI2026-10-23: 709 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, 2026Viewing709+99
Oct 21, 2026610+18
Oct 16, 2026592+96
Oct 15, 20264960
Oct 14, 20264960
Oct 13, 2026496-1
Oct 09, 2026497No prior observation