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Contract OI history

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Mar 19, 2027 EXPIRATION

CPB $20.00 Put

CPB270319P00020000

Latest saved OI459Oct 23, 2026
Last change0vs 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. 4592290 2026-10-09: 385 OI2026-10-13: 385 OI2026-10-14: 389 OI2026-10-15: 389 OI2026-10-16: 389 OI2026-10-21: 459 OI2026-10-23: 459 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, 2026Viewing4590
Oct 21, 2026459+70
Oct 16, 20263890
Oct 15, 20263890
Oct 14, 2026389+4
Oct 13, 20263850
Oct 09, 2026385No prior observation