OITracker Cboe delayed data

Contract OI history

Back to COHR

Jan 21, 2028 EXPIRATION

COHR $550.00 Call

COHR280121C00550000

Latest saved OI444Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
COHR $550.00 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. 4462230 2026-10-02: 392 OI2026-10-05: 392 OI2026-10-06: 402 OI2026-10-07: 402 OI2026-10-08: 402 OI2026-10-09: 446 OI2026-10-13: 439 OI2026-10-14: 439 OI2026-10-15: 439 OI2026-10-16: 439 OI2026-10-21: 445 OI2026-10-23: 444 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, 2026Viewing444-1
Oct 21, 2026445+6
Oct 16, 20264390
Oct 15, 20264390
Oct 14, 20264390
Oct 13, 2026439-7
Oct 09, 2026446+44
Oct 08, 20264020
Oct 07, 20264020
Oct 06, 2026402+10
Oct 05, 20263920
Oct 02, 2026392No prior observation