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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $210.00 Call

COHR270115C00210000

Latest saved OI142Oct 23, 2026
Last change+45vs 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. 142710 2026-10-02: 96 OI2026-10-05: 98 OI2026-10-06: 98 OI2026-10-07: 98 OI2026-10-08: 98 OI2026-10-09: 98 OI2026-10-13: 98 OI2026-10-14: 98 OI2026-10-15: 98 OI2026-10-16: 97 OI2026-10-21: 97 OI2026-10-23: 142 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, 2026Viewing142+45
Oct 21, 2026970
Oct 16, 202697-1
Oct 15, 2026980
Oct 14, 2026980
Oct 13, 2026980
Oct 09, 2026980
Oct 08, 2026980
Oct 07, 2026980
Oct 06, 2026980
Oct 05, 202698+2
Oct 02, 202696No prior observation