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Contract OI history

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Oct 23, 2026 EXPIRATION

CPB $18.00 Put

CPB261023P00018000

Latest saved OI380Oct 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 $18.00 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. 3801900 2026-10-09: 129 OI2026-10-13: 356 OI2026-10-14: 377 OI2026-10-15: 379 OI2026-10-16: 379 OI2026-10-21: 379 OI2026-10-23: 380 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, 2026Viewing380+1
Oct 21, 20263790
Oct 16, 20263790
Oct 15, 2026379+2
Oct 14, 2026377+21
Oct 13, 2026356+227
Oct 09, 2026129No prior observation