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Contract OI history

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Oct 23, 2026 EXPIRATION

COF $190.00 Put

COF261023P00190000

Latest saved OI726Oct 23, 2026
Last change-97vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $190.00 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. 8234110 2026-10-02: 146 OI2026-10-05: 146 OI2026-10-06: 146 OI2026-10-07: 153 OI2026-10-08: 153 OI2026-10-09: 152 OI2026-10-13: 148 OI2026-10-14: 148 OI2026-10-15: 118 OI2026-10-16: 118 OI2026-10-21: 823 OI2026-10-23: 726 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, 2026Viewing726-97
Oct 21, 2026823+705
Oct 16, 20261180
Oct 15, 2026118-30
Oct 14, 20261480
Oct 13, 2026148-4
Oct 09, 2026152-1
Oct 08, 20261530
Oct 07, 2026153+7
Oct 06, 20261460
Oct 05, 20261460
Oct 02, 2026146No prior observation