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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $215.00 Call

COF261120C00215000

Latest saved OI99Oct 23, 2026
Last change+69vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $215.00 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 99490 2026-10-21: 30 OI2026-10-23: 99 OI Oct 21, 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, 2026Viewing99+69
Oct 21, 202630No prior observation