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Contract OI history

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Sep 17, 2027 EXPIRATION

COF $195.00 Put

COF270917P00195000

Latest saved OI337Oct 23, 2026
Last change+2vs 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. 3371680 2026-10-02: 323 OI2026-10-05: 323 OI2026-10-06: 335 OI2026-10-07: 335 OI2026-10-08: 335 OI2026-10-09: 335 OI2026-10-13: 335 OI2026-10-14: 335 OI2026-10-15: 335 OI2026-10-16: 335 OI2026-10-21: 335 OI2026-10-23: 337 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, 2026Viewing337+2
Oct 21, 20263350
Oct 16, 20263350
Oct 15, 20263350
Oct 14, 20263350
Oct 13, 20263350
Oct 09, 20263350
Oct 08, 20263350
Oct 07, 20263350
Oct 06, 2026335+12
Oct 05, 20263230
Oct 02, 2026323No prior observation