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Contract OI history

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Jan 21, 2028 EXPIRATION

CPB $40.00 Call

CPB280121C00040000

Latest saved OI1,164Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $40.00 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. 1,1645820 2026-10-09: 1,162 OI2026-10-13: 1,164 OI2026-10-14: 1,163 OI2026-10-15: 1,163 OI2026-10-16: 1,163 OI2026-10-21: 1,163 OI2026-10-23: 1,164 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, 2026Viewing1,164+1
Oct 21, 20261,1630
Oct 16, 20261,1630
Oct 15, 20261,1630
Oct 14, 20261,163-1
Oct 13, 20261,164+2
Oct 09, 20261,162No prior observation