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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $140.00 Put

COHR270115P00140000

Latest saved OI513Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $140.00 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. 5132560 2026-10-02: 435 OI2026-10-05: 437 OI2026-10-06: 437 OI2026-10-07: 428 OI2026-10-08: 428 OI2026-10-09: 427 OI2026-10-13: 428 OI2026-10-14: 428 OI2026-10-15: 430 OI2026-10-16: 513 OI2026-10-21: 513 OI2026-10-23: 513 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, 2026Viewing5130
Oct 21, 20265130
Oct 16, 2026513+83
Oct 15, 2026430+2
Oct 14, 20264280
Oct 13, 2026428+1
Oct 09, 2026427-1
Oct 08, 20264280
Oct 07, 2026428-9
Oct 06, 20264370
Oct 05, 2026437+2
Oct 02, 2026435No prior observation