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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $400.00 Call

COHR261120C00400000

Latest saved OI2,954Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $400.00 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. 3,8461,9230 2026-10-02: 3,712 OI2026-10-05: 3,737 OI2026-10-06: 3,750 OI2026-10-07: 3,750 OI2026-10-08: 3,750 OI2026-10-09: 3,749 OI2026-10-13: 3,846 OI2026-10-14: 3,846 OI2026-10-15: 3,509 OI2026-10-16: 3,460 OI2026-10-21: 2,961 OI2026-10-23: 2,954 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, 2026Viewing2,954-7
Oct 21, 20262,961-499
Oct 16, 20263,460-49
Oct 15, 20263,509-337
Oct 14, 20263,8460
Oct 13, 20263,846+97
Oct 09, 20263,749-1
Oct 08, 20263,7500
Oct 07, 20263,7500
Oct 06, 20263,750+13
Oct 05, 20263,737+25
Oct 02, 20263,712No prior observation