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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $180.00 Put

COHR261023P00180000

Latest saved OI139Oct 23, 2026
Last change+115vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $180.00 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. 139690 2026-10-02: 2 OI2026-10-05: 2 OI2026-10-06: 2 OI2026-10-07: 2 OI2026-10-08: 2 OI2026-10-09: 2 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 2 OI2026-10-16: 11 OI2026-10-21: 24 OI2026-10-23: 139 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, 2026Viewing139+115
Oct 21, 202624+13
Oct 16, 202611+9
Oct 15, 202620
Oct 14, 202620
Oct 13, 202620
Oct 09, 202620
Oct 08, 202620
Oct 07, 202620
Oct 06, 202620
Oct 05, 202620
Oct 02, 20262No prior observation