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Contract OI history

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Oct 30, 2026 EXPIRATION

CPB $21.00 Call

CPB261030C00021000

Latest saved OI730Oct 23, 2026
Last change+276vs 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. 7303650 2026-10-09: 131 OI2026-10-13: 128 OI2026-10-14: 131 OI2026-10-15: 147 OI2026-10-16: 201 OI2026-10-21: 454 OI2026-10-23: 730 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, 2026Viewing730+276
Oct 21, 2026454+253
Oct 16, 2026201+54
Oct 15, 2026147+16
Oct 14, 2026131+3
Oct 13, 2026128-3
Oct 09, 2026131No prior observation