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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $430.00 Call

COHR270115C00430000

Latest saved OI219Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $430.00 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. 2191090 2026-10-02: 201 OI2026-10-05: 201 OI2026-10-06: 201 OI2026-10-07: 201 OI2026-10-08: 201 OI2026-10-09: 203 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 206 OI2026-10-16: 206 OI2026-10-21: 215 OI2026-10-23: 219 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, 2026Viewing219+4
Oct 21, 2026215+9
Oct 16, 20262060
Oct 15, 20262060
Oct 14, 20262060
Oct 13, 2026206+3
Oct 09, 2026203+2
Oct 08, 20262010
Oct 07, 20262010
Oct 06, 20262010
Oct 05, 20262010
Oct 02, 2026201No prior observation