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Contract OI history

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Mar 19, 2027 EXPIRATION

COF $190.00 Put

COF270319P00190000

Latest saved OI1,317Oct 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 $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. 1,3176580 2026-10-02: 1,224 OI2026-10-05: 1,223 OI2026-10-06: 1,225 OI2026-10-07: 1,225 OI2026-10-08: 1,225 OI2026-10-09: 1,227 OI2026-10-13: 1,219 OI2026-10-14: 1,219 OI2026-10-15: 1,222 OI2026-10-16: 1,221 OI2026-10-21: 1,314 OI2026-10-23: 1,317 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, 2026Viewing1,317+3
Oct 21, 20261,314+93
Oct 16, 20261,221-1
Oct 15, 20261,222+3
Oct 14, 20261,2190
Oct 13, 20261,219-8
Oct 09, 20261,227+2
Oct 08, 20261,2250
Oct 07, 20261,2250
Oct 06, 20261,225+2
Oct 05, 20261,223-1
Oct 02, 20261,224No prior observation