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Contract OI history

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Sep 17, 2027 EXPIRATION

COF $270.00 Call

COF270917C00270000

Latest saved OI23Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $270.00 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. 23110 2026-10-02: 12 OI2026-10-05: 12 OI2026-10-06: 12 OI2026-10-07: 12 OI2026-10-08: 12 OI2026-10-09: 13 OI2026-10-13: 16 OI2026-10-14: 16 OI2026-10-15: 18 OI2026-10-16: 18 OI2026-10-21: 18 OI2026-10-23: 23 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, 2026Viewing23+5
Oct 21, 2026180
Oct 16, 2026180
Oct 15, 202618+2
Oct 14, 2026160
Oct 13, 202616+3
Oct 09, 202613+1
Oct 08, 2026120
Oct 07, 2026120
Oct 06, 2026120
Oct 05, 2026120
Oct 02, 202612No prior observation