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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $240.00 Put

COHR261023P00240000

Latest saved OI20Oct 23, 2026
Last change-295vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 3151570 2026-10-02: 125 OI2026-10-05: 125 OI2026-10-06: 122 OI2026-10-07: 122 OI2026-10-08: 122 OI2026-10-09: 113 OI2026-10-13: 141 OI2026-10-14: 141 OI2026-10-15: 149 OI2026-10-16: 181 OI2026-10-21: 315 OI2026-10-23: 20 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, 2026Viewing20-295
Oct 21, 2026315+134
Oct 16, 2026181+32
Oct 15, 2026149+8
Oct 14, 20261410
Oct 13, 2026141+28
Oct 09, 2026113-9
Oct 08, 20261220
Oct 07, 20261220
Oct 06, 2026122-3
Oct 05, 20261250
Oct 02, 2026125No prior observation