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Contract OI history

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Jun 17, 2027 EXPIRATION

COF $195.00 Put

COF270617P00195000

Latest saved OI1,408Oct 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 $195.00 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. 1,4087040 2026-10-02: 1,397 OI2026-10-05: 1,397 OI2026-10-06: 1,397 OI2026-10-07: 1,407 OI2026-10-08: 1,407 OI2026-10-09: 1,407 OI2026-10-13: 1,407 OI2026-10-14: 1,407 OI2026-10-15: 1,407 OI2026-10-16: 1,407 OI2026-10-21: 1,407 OI2026-10-23: 1,408 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, 2026Viewing1,408+1
Oct 21, 20261,4070
Oct 16, 20261,4070
Oct 15, 20261,4070
Oct 14, 20261,4070
Oct 13, 20261,4070
Oct 09, 20261,4070
Oct 08, 20261,4070
Oct 07, 20261,407+10
Oct 06, 20261,3970
Oct 05, 20261,3970
Oct 02, 20261,397No prior observation