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Contract OI history

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Nov 20, 2026 EXPIRATION

COHR $280.00 Call

COHR261120C00280000

Latest saved OI888Oct 23, 2026
Last change+320vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $280.00 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. 8884440 2026-10-02: 164 OI2026-10-05: 149 OI2026-10-06: 151 OI2026-10-07: 129 OI2026-10-08: 129 OI2026-10-09: 130 OI2026-10-13: 424 OI2026-10-14: 424 OI2026-10-15: 426 OI2026-10-16: 394 OI2026-10-21: 568 OI2026-10-23: 888 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, 2026Viewing888+320
Oct 21, 2026568+174
Oct 16, 2026394-32
Oct 15, 2026426+2
Oct 14, 20264240
Oct 13, 2026424+294
Oct 09, 2026130+1
Oct 08, 20261290
Oct 07, 2026129-22
Oct 06, 2026151+2
Oct 05, 2026149-15
Oct 02, 2026164No prior observation