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Contract OI history

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Dec 18, 2026 EXPIRATION

COF $200.00 Call

COF261218C00200000

Latest saved OI348Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $200.00 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. 3671830 2026-10-02: 272 OI2026-10-05: 279 OI2026-10-06: 301 OI2026-10-07: 315 OI2026-10-08: 315 OI2026-10-09: 322 OI2026-10-13: 312 OI2026-10-14: 312 OI2026-10-15: 345 OI2026-10-16: 367 OI2026-10-21: 345 OI2026-10-23: 348 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, 2026Viewing348+3
Oct 21, 2026345-22
Oct 16, 2026367+22
Oct 15, 2026345+33
Oct 14, 20263120
Oct 13, 2026312-10
Oct 09, 2026322+7
Oct 08, 20263150
Oct 07, 2026315+14
Oct 06, 2026301+22
Oct 05, 2026279+7
Oct 02, 2026272No prior observation