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Contract OI history

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Oct 23, 2026 EXPIRATION

CPB $18.50 Put

CPB261023P00018500

Latest saved OI119Oct 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 $18.50 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. 122610 2026-10-09: 54 OI2026-10-13: 66 OI2026-10-14: 66 OI2026-10-15: 75 OI2026-10-16: 78 OI2026-10-21: 122 OI2026-10-23: 119 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, 2026Viewing119-3
Oct 21, 2026122+44
Oct 16, 202678+3
Oct 15, 202675+9
Oct 14, 2026660
Oct 13, 202666+12
Oct 09, 202654No prior observation