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Contract OI history

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Apr 16, 2027 EXPIRATION

COHR $175.00 Put

COHR270416P00175000

Latest saved OI480Oct 23, 2026
Last change+326vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $175.00 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. 4802400 2026-10-02: 125 OI2026-10-05: 125 OI2026-10-06: 125 OI2026-10-07: 125 OI2026-10-08: 125 OI2026-10-09: 127 OI2026-10-13: 129 OI2026-10-14: 129 OI2026-10-15: 129 OI2026-10-16: 129 OI2026-10-21: 154 OI2026-10-23: 480 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, 2026Viewing480+326
Oct 21, 2026154+25
Oct 16, 20261290
Oct 15, 20261290
Oct 14, 20261290
Oct 13, 2026129+2
Oct 09, 2026127+2
Oct 08, 20261250
Oct 07, 20261250
Oct 06, 20261250
Oct 05, 20261250
Oct 02, 2026125No prior observation