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Contract OI history

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Jan 21, 2028 EXPIRATION

CPB $25.00 Put

CPB280121P00025000

Latest saved OI1,942Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $25.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,9429710 2026-10-09: 1,727 OI2026-10-13: 1,727 OI2026-10-14: 1,728 OI2026-10-15: 1,728 OI2026-10-16: 1,939 OI2026-10-21: 1,939 OI2026-10-23: 1,942 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, 2026Viewing1,942+3
Oct 21, 20261,9390
Oct 16, 20261,939+211
Oct 15, 20261,7280
Oct 14, 20261,728+1
Oct 13, 20261,7270
Oct 09, 20261,727No prior observation