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Contract OI history

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Oct 30, 2026 EXPIRATION

CPB $20.50 Call

CPB261030C00020500

Latest saved OI183Oct 23, 2026
Last change+24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $20.50 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. 183910 2026-10-09: 40 OI2026-10-13: 40 OI2026-10-14: 74 OI2026-10-15: 74 OI2026-10-16: 100 OI2026-10-21: 159 OI2026-10-23: 183 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, 2026Viewing183+24
Oct 21, 2026159+59
Oct 16, 2026100+26
Oct 15, 2026740
Oct 14, 202674+34
Oct 13, 2026400
Oct 09, 202640No prior observation