Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $155.00 Put

COHR261120P00155000

Latest saved OI202Oct 23, 2026
Last change+85vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $155.00 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. 2021010 2026-10-02: 116 OI2026-10-05: 116 OI2026-10-06: 117 OI2026-10-07: 117 OI2026-10-08: 117 OI2026-10-09: 117 OI2026-10-13: 117 OI2026-10-14: 117 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-21: 117 OI2026-10-23: 202 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, 2026Viewing202+85
Oct 21, 20261170
Oct 16, 20261170
Oct 15, 20261170
Oct 14, 20261170
Oct 13, 20261170
Oct 09, 20261170
Oct 08, 20261170
Oct 07, 20261170
Oct 06, 2026117+1
Oct 05, 20261160
Oct 02, 2026116No prior observation