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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $240.00 Call

COF261120C00240000

Latest saved OI370Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $240.00 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. 3701850 2026-10-02: 278 OI2026-10-05: 279 OI2026-10-06: 279 OI2026-10-07: 281 OI2026-10-08: 281 OI2026-10-09: 323 OI2026-10-13: 322 OI2026-10-14: 322 OI2026-10-15: 342 OI2026-10-16: 346 OI2026-10-21: 348 OI2026-10-23: 370 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, 2026Viewing370+22
Oct 21, 2026348+2
Oct 16, 2026346+4
Oct 15, 2026342+20
Oct 14, 20263220
Oct 13, 2026322-1
Oct 09, 2026323+42
Oct 08, 20262810
Oct 07, 2026281+2
Oct 06, 20262790
Oct 05, 2026279+1
Oct 02, 2026278No prior observation