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Contract OI history

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Mar 19, 2027 EXPIRATION

COF $200.00 Call

COF270319C00200000

Latest saved OI406Oct 23, 2026
Last change+6vs 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. 4062030 2026-10-02: 392 OI2026-10-05: 387 OI2026-10-06: 387 OI2026-10-07: 392 OI2026-10-08: 392 OI2026-10-09: 389 OI2026-10-13: 389 OI2026-10-14: 389 OI2026-10-15: 389 OI2026-10-16: 395 OI2026-10-21: 400 OI2026-10-23: 406 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, 2026Viewing406+6
Oct 21, 2026400+5
Oct 16, 2026395+6
Oct 15, 20263890
Oct 14, 20263890
Oct 13, 20263890
Oct 09, 2026389-3
Oct 08, 20263920
Oct 07, 2026392+5
Oct 06, 20263870
Oct 05, 2026387-5
Oct 02, 2026392No prior observation