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Contract OI history

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Jan 21, 2028 EXPIRATION

CPB $13.00 Put

CPB280121P00013000

Latest saved OI947Oct 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 $13.00 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. 9474730 2026-10-09: 946 OI2026-10-13: 946 OI2026-10-14: 946 OI2026-10-15: 946 OI2026-10-16: 947 OI2026-10-21: 947 OI2026-10-23: 947 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, 2026Viewing9470
Oct 21, 20269470
Oct 16, 2026947+1
Oct 15, 20269460
Oct 14, 20269460
Oct 13, 20269460
Oct 09, 2026946No prior observation