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Contract OI history

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Jun 17, 2027 EXPIRATION

COF $230.00 Call

COF270617C00230000

Latest saved OI874Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $230.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8744370 2026-10-02: 859 OI2026-10-05: 859 OI2026-10-06: 859 OI2026-10-07: 859 OI2026-10-08: 859 OI2026-10-09: 859 OI2026-10-13: 860 OI2026-10-14: 860 OI2026-10-15: 860 OI2026-10-16: 859 OI2026-10-21: 868 OI2026-10-23: 874 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, 2026Viewing874+6
Oct 21, 2026868+9
Oct 16, 2026859-1
Oct 15, 20268600
Oct 14, 20268600
Oct 13, 2026860+1
Oct 09, 20268590
Oct 08, 20268590
Oct 07, 20268590
Oct 06, 20268590
Oct 05, 20268590
Oct 02, 2026859No prior observation