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Contract OI history

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Oct 23, 2026 EXPIRATION

COF $202.50 Put

COF261023P00202500

Latest saved OI355Oct 23, 2026
Last change+194vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $202.50 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. 3551770 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 36 OI2026-10-08: 36 OI2026-10-09: 36 OI2026-10-13: 55 OI2026-10-14: 55 OI2026-10-15: 55 OI2026-10-16: 56 OI2026-10-21: 161 OI2026-10-23: 355 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, 2026Viewing355+194
Oct 21, 2026161+105
Oct 16, 202656+1
Oct 15, 2026550
Oct 14, 2026550
Oct 13, 202655+19
Oct 09, 2026360
Oct 08, 2026360
Oct 07, 202636+36
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation