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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $220.00 Call

COHR270319C00220000

Latest saved OI90Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $220.00 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. 108540 2026-10-02: 107 OI2026-10-05: 106 OI2026-10-06: 106 OI2026-10-07: 106 OI2026-10-08: 106 OI2026-10-09: 106 OI2026-10-13: 108 OI2026-10-14: 108 OI2026-10-15: 108 OI2026-10-16: 84 OI2026-10-21: 84 OI2026-10-23: 90 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, 2026Viewing90+6
Oct 21, 2026840
Oct 16, 202684-24
Oct 15, 20261080
Oct 14, 20261080
Oct 13, 2026108+2
Oct 09, 20261060
Oct 08, 20261060
Oct 07, 20261060
Oct 06, 20261060
Oct 05, 2026106-1
Oct 02, 2026107No prior observation