OITracker Cboe delayed data

Contract OI history

Back to CPB

Jan 21, 2028 EXPIRATION

CPB $50.00 Call

CPB280121C00050000

Latest saved OI1,374Oct 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 $50.00 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. 1,3746870 2026-10-09: 1,374 OI2026-10-13: 1,374 OI2026-10-14: 1,374 OI2026-10-15: 1,374 OI2026-10-16: 1,374 OI2026-10-21: 1,374 OI2026-10-23: 1,374 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, 2026Viewing1,3740
Oct 21, 20261,3740
Oct 16, 20261,3740
Oct 15, 20261,3740
Oct 14, 20261,3740
Oct 13, 20261,3740
Oct 09, 20261,374No prior observation