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Contract OI history

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Nov 13, 2026 EXPIRATION

COHR $250.00 Put

COHR261113P00250000

Latest saved OI161Oct 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
COHR $250.00 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. 161800 2026-10-02: 2 OI2026-10-05: 3 OI2026-10-06: 16 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 39 OI2026-10-13: 116 OI2026-10-14: 116 OI2026-10-15: 140 OI2026-10-16: 151 OI2026-10-21: 158 OI2026-10-23: 161 OI Oct 02, 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, 2026Viewing161+3
Oct 21, 2026158+7
Oct 16, 2026151+11
Oct 15, 2026140+24
Oct 14, 20261160
Oct 13, 2026116+77
Oct 09, 202639+21
Oct 08, 2026180
Oct 07, 202618+2
Oct 06, 202616+13
Oct 05, 20263+1
Oct 02, 20262No prior observation