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Contract OI history

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Dec 18, 2026 EXPIRATION

COHR $140.00 Put

COHR261218P00140000

Latest saved OI9Oct 23, 2026
Last change+9vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $140.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 940 2026-10-21: 0 OI2026-10-23: 9 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

COHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing9+9
Oct 21, 20260No prior observation