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Contract OI history

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Oct 30, 2026 EXPIRATION

COF $177.50 Put

COF261030P00177500

Latest saved OI183Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
COF $177.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 183910 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 183 OI2026-10-23: 183 OI Oct 09, 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, 2026Viewing1830
Oct 21, 2026183+183
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation