OITracker Cboe delayed data

Contract OI history

Back to COHR

Dec 17, 2027 EXPIRATION

COHR $180.00 Put

COHR271217P00180000

Latest saved OI10Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $180.00 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. 1050 2026-10-02: 6 OI2026-10-05: 6 OI2026-10-06: 6 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 8 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 7 OI2026-10-16: 8 OI2026-10-21: 8 OI2026-10-23: 10 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, 2026Viewing10+2
Oct 21, 202680
Oct 16, 20268+1
Oct 15, 202670
Oct 14, 202670
Oct 13, 20267-1
Oct 09, 20268+1
Oct 08, 202670
Oct 07, 20267+1
Oct 06, 202660
Oct 05, 202660
Oct 02, 20266No prior observation