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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $230.00 Call

COF261120C00230000

Latest saved OI2,376Oct 23, 2026
Last change+350vs 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. 2,3761,1880 2026-10-02: 381 OI2026-10-05: 478 OI2026-10-06: 861 OI2026-10-07: 858 OI2026-10-08: 858 OI2026-10-09: 861 OI2026-10-13: 872 OI2026-10-14: 872 OI2026-10-15: 946 OI2026-10-16: 955 OI2026-10-21: 2,026 OI2026-10-23: 2,376 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, 2026Viewing2,376+350
Oct 21, 20262,026+1,071
Oct 16, 2026955+9
Oct 15, 2026946+74
Oct 14, 20268720
Oct 13, 2026872+11
Oct 09, 2026861+3
Oct 08, 20268580
Oct 07, 2026858-3
Oct 06, 2026861+383
Oct 05, 2026478+97
Oct 02, 2026381No prior observation