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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $370.00 Put

COHR261120P00370000

Latest saved OI2Oct 23, 2026
Last change-174vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $370.00 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. 179890 2026-10-02: 174 OI2026-10-05: 174 OI2026-10-06: 174 OI2026-10-07: 179 OI2026-10-08: 179 OI2026-10-09: 179 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-15: 179 OI2026-10-16: 176 OI2026-10-21: 176 OI2026-10-23: 2 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, 2026Viewing2-174
Oct 21, 20261760
Oct 16, 2026176-3
Oct 15, 20261790
Oct 14, 20261790
Oct 13, 20261790
Oct 09, 20261790
Oct 08, 20261790
Oct 07, 2026179+5
Oct 06, 20261740
Oct 05, 20261740
Oct 02, 2026174No prior observation