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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $115.00 Put

COHR270115P00115000

Latest saved OI487Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $115.00 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. 4912450 2026-10-02: 491 OI2026-10-05: 491 OI2026-10-06: 491 OI2026-10-07: 491 OI2026-10-08: 491 OI2026-10-09: 479 OI2026-10-13: 479 OI2026-10-14: 479 OI2026-10-15: 479 OI2026-10-16: 479 OI2026-10-21: 480 OI2026-10-23: 487 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, 2026Viewing487+7
Oct 21, 2026480+1
Oct 16, 20264790
Oct 15, 20264790
Oct 14, 20264790
Oct 13, 20264790
Oct 09, 2026479-12
Oct 08, 20264910
Oct 07, 20264910
Oct 06, 20264910
Oct 05, 20264910
Oct 02, 2026491No prior observation