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Contract OI history

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Dec 15, 2028 EXPIRATION

COF $200.00 Call

COF281215C00200000

Latest saved OI578Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $200.00 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. 6013000 2026-10-02: 601 OI2026-10-05: 585 OI2026-10-06: 586 OI2026-10-07: 586 OI2026-10-08: 586 OI2026-10-09: 586 OI2026-10-13: 586 OI2026-10-14: 586 OI2026-10-15: 581 OI2026-10-16: 582 OI2026-10-21: 579 OI2026-10-23: 578 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, 2026Viewing578-1
Oct 21, 2026579-3
Oct 16, 2026582+1
Oct 15, 2026581-5
Oct 14, 20265860
Oct 13, 20265860
Oct 09, 20265860
Oct 08, 20265860
Oct 07, 20265860
Oct 06, 2026586+1
Oct 05, 2026585-16
Oct 02, 2026601No prior observation