OITracker Cboe delayed data

Contract OI history

Back to COHR

Dec 18, 2026 EXPIRATION

COHR $400.00 Call

COHR261218C00400000

Latest saved OI133Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $400.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 189940 2026-10-02: 147 OI2026-10-05: 166 OI2026-10-06: 186 OI2026-10-07: 189 OI2026-10-08: 189 OI2026-10-09: 181 OI2026-10-13: 125 OI2026-10-14: 125 OI2026-10-15: 133 OI2026-10-16: 135 OI2026-10-21: 141 OI2026-10-23: 133 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, 2026Viewing133-8
Oct 21, 2026141+6
Oct 16, 2026135+2
Oct 15, 2026133+8
Oct 14, 20261250
Oct 13, 2026125-56
Oct 09, 2026181-8
Oct 08, 20261890
Oct 07, 2026189+3
Oct 06, 2026186+20
Oct 05, 2026166+19
Oct 02, 2026147No prior observation