OITracker Cboe delayed data

Contract OI history

Back to ERII

Nov 20, 2026 EXPIRATION

ERII $20.00 Call

ERII261120C00020000

Latest saved OI1,582Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERII $20.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,5827910 2026-10-08: 1,582 OI2026-10-09: 1,582 OI2026-10-13: 1,582 OI2026-10-14: 1,582 OI2026-10-16: 1,582 OI2026-10-20: 1,582 OI2026-10-23: 1,582 OI Oct 08, 2026Oct 23, 2026

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

ERII contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,5820
Oct 20, 20261,5820
Oct 16, 20261,5820
Oct 14, 20261,5820
Oct 13, 20261,5820
Oct 09, 20261,5820
Oct 08, 20261,582No prior observation