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Contract OI history

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Nov 06, 2026 EXPIRATION

COHR $340.00 Call

COHR261106C00340000

Latest saved OI143Oct 23, 2026
Last change+26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $340.00 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. 143710 2026-10-02: 14 OI2026-10-05: 28 OI2026-10-06: 30 OI2026-10-07: 29 OI2026-10-08: 29 OI2026-10-09: 29 OI2026-10-13: 63 OI2026-10-14: 63 OI2026-10-15: 130 OI2026-10-16: 125 OI2026-10-21: 117 OI2026-10-23: 143 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, 2026Viewing143+26
Oct 21, 2026117-8
Oct 16, 2026125-5
Oct 15, 2026130+67
Oct 14, 2026630
Oct 13, 202663+34
Oct 09, 2026290
Oct 08, 2026290
Oct 07, 202629-1
Oct 06, 202630+2
Oct 05, 202628+14
Oct 02, 202614No prior observation