OITracker Cboe delayed data

Contract OI history

Back to ERO

Dec 18, 2026 EXPIRATION

ERO $42.00 Call

ERO261218C00042000

Latest saved OI1Oct 23, 2026
Last change0vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
ERO $42.00 call open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-16: 0 OI2026-10-20: 1 OI2026-10-23: 1 OI Oct 16, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ERO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing10
Oct 20, 20261+1
Oct 16, 20260No prior observation