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Contract OI history

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Feb 19, 2027 EXPIRATION

CPB $21.00 Put

CPB270219P00021000

Latest saved OI126Oct 23, 2026
Last change+4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $21.00 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. 126630 2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 122 OI2026-10-23: 126 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, 2026Viewing126+4
Oct 21, 20261220
Oct 16, 20261220
Oct 15, 2026122-2
Oct 14, 20261240
Oct 13, 20261240
Oct 09, 2026124No prior observation