OITracker Cboe delayed data

Contract OI history

Back to CPB

Nov 20, 2026 EXPIRATION

CPB $20.00 Call

CPB261120C00020000

Latest saved OI4,345Oct 23, 2026
Last change+142vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $20.00 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. 4,3452,1720 2026-10-09: 380 OI2026-10-13: 388 OI2026-10-14: 390 OI2026-10-15: 435 OI2026-10-16: 4,154 OI2026-10-21: 4,203 OI2026-10-23: 4,345 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, 2026Viewing4,345+142
Oct 21, 20264,203+49
Oct 16, 20264,154+3,719
Oct 15, 2026435+45
Oct 14, 2026390+2
Oct 13, 2026388+8
Oct 09, 2026380No prior observation