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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $290.00 Call

COHR261120C00290000

Latest saved OI972Oct 23, 2026
Last change+62vs 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. 9724860 2026-10-02: 766 OI2026-10-05: 766 OI2026-10-06: 783 OI2026-10-07: 763 OI2026-10-08: 763 OI2026-10-09: 759 OI2026-10-13: 783 OI2026-10-14: 783 OI2026-10-15: 795 OI2026-10-16: 864 OI2026-10-21: 910 OI2026-10-23: 972 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, 2026Viewing972+62
Oct 21, 2026910+46
Oct 16, 2026864+69
Oct 15, 2026795+12
Oct 14, 20267830
Oct 13, 2026783+24
Oct 09, 2026759-4
Oct 08, 20267630
Oct 07, 2026763-20
Oct 06, 2026783+17
Oct 05, 20267660
Oct 02, 2026766No prior observation