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Contract OI history

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Mar 19, 2027 EXPIRATION

COHR $250.00 Call

COHR270319C00250000

Latest saved OI587Oct 23, 2026
Last change+54vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $250.00 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. 5872930 2026-10-02: 298 OI2026-10-05: 295 OI2026-10-06: 295 OI2026-10-07: 295 OI2026-10-08: 295 OI2026-10-09: 296 OI2026-10-13: 296 OI2026-10-14: 296 OI2026-10-15: 298 OI2026-10-16: 507 OI2026-10-21: 533 OI2026-10-23: 587 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, 2026Viewing587+54
Oct 21, 2026533+26
Oct 16, 2026507+209
Oct 15, 2026298+2
Oct 14, 20262960
Oct 13, 20262960
Oct 09, 2026296+1
Oct 08, 20262950
Oct 07, 20262950
Oct 06, 20262950
Oct 05, 2026295-3
Oct 02, 2026298No prior observation