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Contract OI history

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Nov 06, 2026 EXPIRATION

COHR $170.00 Put

COHR261106P00170000

Latest saved OI130Oct 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 $170.00 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. 130650 2026-10-02: 26 OI2026-10-05: 26 OI2026-10-06: 26 OI2026-10-07: 26 OI2026-10-08: 26 OI2026-10-09: 26 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 26 OI2026-10-16: 26 OI2026-10-21: 15 OI2026-10-23: 130 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, 2026Viewing130+115
Oct 21, 202615-11
Oct 16, 2026260
Oct 15, 2026260
Oct 14, 2026260
Oct 13, 2026260
Oct 09, 2026260
Oct 08, 2026260
Oct 07, 2026260
Oct 06, 2026260
Oct 05, 2026260
Oct 02, 202626No prior observation