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Contract OI history

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Jan 15, 2027 EXPIRATION

COHR $240.00 Put

COHR270115P00240000

Latest saved OI854Oct 23, 2026
Last change+54vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $240.00 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. 8544270 2026-10-02: 697 OI2026-10-05: 695 OI2026-10-06: 680 OI2026-10-07: 681 OI2026-10-08: 681 OI2026-10-09: 697 OI2026-10-13: 744 OI2026-10-14: 744 OI2026-10-15: 750 OI2026-10-16: 800 OI2026-10-21: 800 OI2026-10-23: 854 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, 2026Viewing854+54
Oct 21, 20268000
Oct 16, 2026800+50
Oct 15, 2026750+6
Oct 14, 20267440
Oct 13, 2026744+47
Oct 09, 2026697+16
Oct 08, 20266810
Oct 07, 2026681+1
Oct 06, 2026680-15
Oct 05, 2026695-2
Oct 02, 2026697No prior observation