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Contract OI history

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Jun 17, 2027 EXPIRATION

COF $210.00 Put

COF270617P00210000

Latest saved OI958Oct 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 $210.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 9704850 2026-10-02: 968 OI2026-10-05: 970 OI2026-10-06: 927 OI2026-10-07: 927 OI2026-10-08: 927 OI2026-10-09: 927 OI2026-10-13: 927 OI2026-10-14: 927 OI2026-10-15: 927 OI2026-10-16: 927 OI2026-10-21: 955 OI2026-10-23: 958 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, 2026Viewing958+3
Oct 21, 2026955+28
Oct 16, 20269270
Oct 15, 20269270
Oct 14, 20269270
Oct 13, 20269270
Oct 09, 20269270
Oct 08, 20269270
Oct 07, 20269270
Oct 06, 2026927-43
Oct 05, 2026970+2
Oct 02, 2026968No prior observation