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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $330.00 Call

COHR270319C00330000

Latest saved OI216Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $330.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2161080 2026-10-02: 117 OI2026-10-05: 123 OI2026-10-06: 122 OI2026-10-07: 122 OI2026-10-08: 122 OI2026-10-09: 151 OI2026-10-13: 155 OI2026-10-14: 155 OI2026-10-15: 161 OI2026-10-16: 188 OI2026-10-21: 205 OI2026-10-23: 216 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, 2026Viewing216+11
Oct 21, 2026205+17
Oct 16, 2026188+27
Oct 15, 2026161+6
Oct 14, 20261550
Oct 13, 2026155+4
Oct 09, 2026151+29
Oct 08, 20261220
Oct 07, 20261220
Oct 06, 2026122-1
Oct 05, 2026123+6
Oct 02, 2026117No prior observation