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Contract OI history

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Oct 23, 2026 EXPIRATION

COF $230.00 Call

COF261023C00230000

Latest saved OI181Oct 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 $230.00 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. 196980 2026-10-02: 196 OI2026-10-05: 196 OI2026-10-06: 196 OI2026-10-07: 194 OI2026-10-08: 194 OI2026-10-09: 194 OI2026-10-13: 190 OI2026-10-14: 190 OI2026-10-15: 161 OI2026-10-16: 161 OI2026-10-21: 182 OI2026-10-23: 181 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, 2026Viewing181-1
Oct 21, 2026182+21
Oct 16, 20261610
Oct 15, 2026161-29
Oct 14, 20261900
Oct 13, 2026190-4
Oct 09, 20261940
Oct 08, 20261940
Oct 07, 2026194-2
Oct 06, 20261960
Oct 05, 20261960
Oct 02, 2026196No prior observation