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Contract OI history

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Oct 23, 2026 EXPIRATION

COF $180.00 Put

COF261023P00180000

Latest saved OI1,262Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $180.00 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. 1,2666330 2026-10-02: 45 OI2026-10-05: 45 OI2026-10-06: 45 OI2026-10-07: 45 OI2026-10-08: 45 OI2026-10-09: 46 OI2026-10-13: 53 OI2026-10-14: 53 OI2026-10-15: 68 OI2026-10-16: 80 OI2026-10-21: 1,266 OI2026-10-23: 1,262 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, 2026Viewing1,262-4
Oct 21, 20261,266+1,186
Oct 16, 202680+12
Oct 15, 202668+15
Oct 14, 2026530
Oct 13, 202653+7
Oct 09, 202646+1
Oct 08, 2026450
Oct 07, 2026450
Oct 06, 2026450
Oct 05, 2026450
Oct 02, 202645No prior observation