OITracker Cboe delayed data

Contract OI history

Back to COHR

Nov 13, 2026 EXPIRATION

COHR $255.00 Put

COHR261113P00255000

Latest saved OI266Oct 23, 2026
Last change+4vs 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. 2661330 2026-10-02: 1 OI2026-10-05: 0 OI2026-10-06: 8 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 17 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-15: 75 OI2026-10-16: 74 OI2026-10-21: 262 OI2026-10-23: 266 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, 2026Viewing266+4
Oct 21, 2026262+188
Oct 16, 202674-1
Oct 15, 202675+15
Oct 14, 2026600
Oct 13, 202660+43
Oct 09, 202617+9
Oct 08, 202680
Oct 07, 202680
Oct 06, 20268+8
Oct 05, 20260-1
Oct 02, 20261No prior observation