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Contract OI history

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Feb 19, 2027 EXPIRATION

COHR $270.00 Put

COHR270219P00270000

Latest saved OI22Oct 23, 2026
Last change+3vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $270.00 put open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 22110 2026-10-16: 0 OI2026-10-21: 19 OI2026-10-23: 22 OI Oct 16, 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, 2026Viewing22+3
Oct 21, 202619+19
Oct 16, 20260No prior observation