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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $75.00 Put

COHR270115P00075000

Latest saved OI990Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $75.00 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. 9904950 2026-10-02: 989 OI2026-10-05: 989 OI2026-10-06: 989 OI2026-10-07: 989 OI2026-10-08: 989 OI2026-10-09: 989 OI2026-10-13: 989 OI2026-10-14: 989 OI2026-10-15: 989 OI2026-10-16: 989 OI2026-10-21: 989 OI2026-10-23: 990 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, 2026Viewing990+1
Oct 21, 20269890
Oct 16, 20269890
Oct 15, 20269890
Oct 14, 20269890
Oct 13, 20269890
Oct 09, 20269890
Oct 08, 20269890
Oct 07, 20269890
Oct 06, 20269890
Oct 05, 20269890
Oct 02, 2026989No prior observation