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Contract OI history

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Dec 18, 2026 EXPIRATION

CPB $21.00 Call

CPB261218C00021000

Latest saved OI465Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $21.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4652320 2026-10-09: 299 OI2026-10-13: 302 OI2026-10-14: 282 OI2026-10-15: 305 OI2026-10-16: 310 OI2026-10-21: 435 OI2026-10-23: 465 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, 2026Viewing465+30
Oct 21, 2026435+125
Oct 16, 2026310+5
Oct 15, 2026305+23
Oct 14, 2026282-20
Oct 13, 2026302+3
Oct 09, 2026299No prior observation