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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $210.00 Call

COF261120C00210000

Latest saved OI1,202Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $210.00 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. 1,2166080 2026-10-02: 311 OI2026-10-05: 356 OI2026-10-06: 667 OI2026-10-07: 671 OI2026-10-08: 671 OI2026-10-09: 680 OI2026-10-13: 871 OI2026-10-14: 871 OI2026-10-15: 860 OI2026-10-16: 861 OI2026-10-21: 1,216 OI2026-10-23: 1,202 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, 2026Viewing1,202-14
Oct 21, 20261,216+355
Oct 16, 2026861+1
Oct 15, 2026860-11
Oct 14, 20268710
Oct 13, 2026871+191
Oct 09, 2026680+9
Oct 08, 20266710
Oct 07, 2026671+4
Oct 06, 2026667+311
Oct 05, 2026356+45
Oct 02, 2026311No prior observation