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Contract OI history

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Oct 30, 2026 EXPIRATION

CPB $20.00 Put

CPB261030P00020000

Latest saved OI149Oct 23, 2026
Last change+77vs 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. 149740 2026-10-09: 53 OI2026-10-13: 55 OI2026-10-14: 59 OI2026-10-15: 59 OI2026-10-16: 71 OI2026-10-21: 72 OI2026-10-23: 149 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, 2026Viewing149+77
Oct 21, 202672+1
Oct 16, 202671+12
Oct 15, 2026590
Oct 14, 202659+4
Oct 13, 202655+2
Oct 09, 202653No prior observation