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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $300.00 Call

COHR270319C00300000

Latest saved OI994Oct 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 $300.00 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. 9944970 2026-10-02: 818 OI2026-10-05: 817 OI2026-10-06: 836 OI2026-10-07: 845 OI2026-10-08: 845 OI2026-10-09: 844 OI2026-10-13: 909 OI2026-10-14: 909 OI2026-10-15: 912 OI2026-10-16: 965 OI2026-10-21: 983 OI2026-10-23: 994 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, 2026Viewing994+11
Oct 21, 2026983+18
Oct 16, 2026965+53
Oct 15, 2026912+3
Oct 14, 20269090
Oct 13, 2026909+65
Oct 09, 2026844-1
Oct 08, 20268450
Oct 07, 2026845+9
Oct 06, 2026836+19
Oct 05, 2026817-1
Oct 02, 2026818No prior observation