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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $210.00 Call

COHR270319C00210000

Latest saved OI515Oct 23, 2026
Last change-125vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $210.00 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. 6403200 2026-10-02: 588 OI2026-10-05: 587 OI2026-10-06: 587 OI2026-10-07: 587 OI2026-10-08: 587 OI2026-10-09: 590 OI2026-10-13: 619 OI2026-10-14: 619 OI2026-10-15: 640 OI2026-10-16: 640 OI2026-10-21: 640 OI2026-10-23: 515 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, 2026Viewing515-125
Oct 21, 20266400
Oct 16, 20266400
Oct 15, 2026640+21
Oct 14, 20266190
Oct 13, 2026619+29
Oct 09, 2026590+3
Oct 08, 20265870
Oct 07, 20265870
Oct 06, 20265870
Oct 05, 2026587-1
Oct 02, 2026588No prior observation