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Contract OI history

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Mar 19, 2027 EXPIRATION

COF $140.00 Put

COF270319P00140000

Latest saved OI92Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $140.00 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. 92460 2026-10-02: 57 OI2026-10-05: 61 OI2026-10-06: 70 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 84 OI2026-10-13: 85 OI2026-10-14: 85 OI2026-10-15: 86 OI2026-10-16: 86 OI2026-10-21: 86 OI2026-10-23: 92 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, 2026Viewing92+6
Oct 21, 2026860
Oct 16, 2026860
Oct 15, 202686+1
Oct 14, 2026850
Oct 13, 202685+1
Oct 09, 202684+14
Oct 08, 2026700
Oct 07, 2026700
Oct 06, 202670+9
Oct 05, 202661+4
Oct 02, 202657No prior observation