OITracker Cboe delayed data

Contract OI history

Back to CPB

Nov 20, 2026 EXPIRATION

CPB $21.00 Call

CPB261120C00021000

Latest saved OI968Oct 23, 2026
Last change+171vs 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. 9684840 2026-10-09: 440 OI2026-10-13: 473 OI2026-10-14: 471 OI2026-10-15: 490 OI2026-10-16: 690 OI2026-10-21: 797 OI2026-10-23: 968 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, 2026Viewing968+171
Oct 21, 2026797+107
Oct 16, 2026690+200
Oct 15, 2026490+19
Oct 14, 2026471-2
Oct 13, 2026473+33
Oct 09, 2026440No prior observation