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Contract OI history

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Jun 17, 2027 EXPIRATION

COHR $320.00 Call

COHR270617C00320000

Latest saved OI197Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $320.00 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. 2051020 2026-10-02: 6 OI2026-10-05: 6 OI2026-10-06: 7 OI2026-10-07: 13 OI2026-10-08: 13 OI2026-10-09: 180 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 198 OI2026-10-16: 200 OI2026-10-21: 205 OI2026-10-23: 197 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, 2026Viewing197-8
Oct 21, 2026205+5
Oct 16, 2026200+2
Oct 15, 20261980
Oct 14, 20261980
Oct 13, 2026198+18
Oct 09, 2026180+167
Oct 08, 2026130
Oct 07, 202613+6
Oct 06, 20267+1
Oct 05, 202660
Oct 02, 20266No prior observation