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Contract OI history

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Oct 30, 2026 EXPIRATION

COF $207.50 Call

COF261030C00207500

Latest saved OI186Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $207.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 186930 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 2 OI2026-10-16: 7 OI2026-10-21: 173 OI2026-10-23: 186 OI Oct 09, 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, 2026Viewing186+13
Oct 21, 2026173+166
Oct 16, 20267+5
Oct 15, 20262+2
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation