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Contract OI history

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Nov 20, 2026 EXPIRATION

COF $175.00 Put

COF261120P00175000

Latest saved OI1,044Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $175.00 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. 1,0475230 2026-10-02: 326 OI2026-10-05: 372 OI2026-10-06: 419 OI2026-10-07: 433 OI2026-10-08: 433 OI2026-10-09: 735 OI2026-10-13: 934 OI2026-10-14: 934 OI2026-10-15: 1,044 OI2026-10-16: 1,043 OI2026-10-21: 1,047 OI2026-10-23: 1,044 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, 2026Viewing1,044-3
Oct 21, 20261,047+4
Oct 16, 20261,043-1
Oct 15, 20261,044+110
Oct 14, 20269340
Oct 13, 2026934+199
Oct 09, 2026735+302
Oct 08, 20264330
Oct 07, 2026433+14
Oct 06, 2026419+47
Oct 05, 2026372+46
Oct 02, 2026326No prior observation