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Contract OI history

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Oct 23, 2026 EXPIRATION

COF $200.00 Put

COF261023P00200000

Latest saved OI1,072Oct 23, 2026
Last change+241vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $200.00 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. 1,0725360 2026-10-02: 366 OI2026-10-05: 366 OI2026-10-06: 366 OI2026-10-07: 390 OI2026-10-08: 390 OI2026-10-09: 388 OI2026-10-13: 363 OI2026-10-14: 363 OI2026-10-15: 333 OI2026-10-16: 336 OI2026-10-21: 831 OI2026-10-23: 1,072 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, 2026Viewing1,072+241
Oct 21, 2026831+495
Oct 16, 2026336+3
Oct 15, 2026333-30
Oct 14, 20263630
Oct 13, 2026363-25
Oct 09, 2026388-2
Oct 08, 20263900
Oct 07, 2026390+24
Oct 06, 20263660
Oct 05, 20263660
Oct 02, 2026366No prior observation