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Contract OI history

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Oct 23, 2026 EXPIRATION

COHR $255.00 Put

COHR261023P00255000

Latest saved OI5Oct 23, 2026
Last change-617vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $255.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7373680 2026-10-02: 321 OI2026-10-05: 308 OI2026-10-06: 248 OI2026-10-07: 233 OI2026-10-08: 233 OI2026-10-09: 314 OI2026-10-13: 704 OI2026-10-14: 704 OI2026-10-15: 722 OI2026-10-16: 737 OI2026-10-21: 622 OI2026-10-23: 5 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, 2026Viewing5-617
Oct 21, 2026622-115
Oct 16, 2026737+15
Oct 15, 2026722+18
Oct 14, 20267040
Oct 13, 2026704+390
Oct 09, 2026314+81
Oct 08, 20262330
Oct 07, 2026233-15
Oct 06, 2026248-60
Oct 05, 2026308-13
Oct 02, 2026321No prior observation