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Contract OI history

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Nov 20, 2026 EXPIRATION

CPB $20.00 Put

CPB261120P00020000

Latest saved OI2,300Oct 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 $20.00 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. 2,3001,1500 2026-10-09: 2,084 OI2026-10-13: 2,083 OI2026-10-14: 2,080 OI2026-10-15: 2,295 OI2026-10-16: 2,256 OI2026-10-21: 2,299 OI2026-10-23: 2,300 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, 2026Viewing2,300+1
Oct 21, 20262,299+43
Oct 16, 20262,256-39
Oct 15, 20262,295+215
Oct 14, 20262,080-3
Oct 13, 20262,083-1
Oct 09, 20262,084No prior observation