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Contract OI history

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Jan 21, 2028 EXPIRATION

COHR $280.00 Call

COHR280121C00280000

Latest saved OI105Oct 23, 2026
Last change+1vs 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. 106530 2026-10-02: 106 OI2026-10-05: 104 OI2026-10-06: 103 OI2026-10-07: 103 OI2026-10-08: 103 OI2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 102 OI2026-10-16: 102 OI2026-10-21: 104 OI2026-10-23: 105 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, 2026Viewing105+1
Oct 21, 2026104+2
Oct 16, 20261020
Oct 15, 2026102-1
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 20261030
Oct 08, 20261030
Oct 07, 20261030
Oct 06, 2026103-1
Oct 05, 2026104-2
Oct 02, 2026106No prior observation