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Contract OI history

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Sep 17, 2027 EXPIRATION

COF $190.00 Put

COF270917P00190000

Latest saved OI61Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $190.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 61300 2026-10-02: 26 OI2026-10-05: 26 OI2026-10-06: 31 OI2026-10-07: 60 OI2026-10-08: 60 OI2026-10-09: 60 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-15: 60 OI2026-10-16: 60 OI2026-10-21: 61 OI2026-10-23: 61 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COF contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing610
Oct 21, 202661+1
Oct 16, 2026600
Oct 15, 2026600
Oct 14, 2026600
Oct 13, 2026600
Oct 09, 2026600
Oct 08, 2026600
Oct 07, 202660+29
Oct 06, 202631+5
Oct 05, 2026260
Oct 02, 202626No prior observation