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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $290.00 Call

COHR270115C00290000

Latest saved OI541Oct 23, 2026
Last change+13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $290.00 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. 5892940 2026-10-02: 520 OI2026-10-05: 521 OI2026-10-06: 520 OI2026-10-07: 520 OI2026-10-08: 520 OI2026-10-09: 523 OI2026-10-13: 561 OI2026-10-14: 561 OI2026-10-15: 589 OI2026-10-16: 559 OI2026-10-21: 528 OI2026-10-23: 541 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, 2026Viewing541+13
Oct 21, 2026528-31
Oct 16, 2026559-30
Oct 15, 2026589+28
Oct 14, 20265610
Oct 13, 2026561+38
Oct 09, 2026523+3
Oct 08, 20265200
Oct 07, 20265200
Oct 06, 2026520-1
Oct 05, 2026521+1
Oct 02, 2026520No prior observation