OITracker Cboe delayed data

Contract OI history

Back to ERO

Jan 21, 2028 EXPIRATION

ERO $30.00 Call

ERO280121C00030000

Latest saved OI186Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ERO $30.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 189940 2026-10-02: 188 OI2026-10-05: 189 OI2026-10-06: 189 OI2026-10-07: 189 OI2026-10-08: 189 OI2026-10-09: 189 OI2026-10-13: 189 OI2026-10-14: 189 OI2026-10-16: 189 OI2026-10-20: 186 OI2026-10-23: 186 OI Oct 02, 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, 2026Viewing1860
Oct 20, 2026186-3
Oct 16, 20261890
Oct 14, 20261890
Oct 13, 20261890
Oct 09, 20261890
Oct 08, 20261890
Oct 07, 20261890
Oct 06, 20261890
Oct 05, 2026189+1
Oct 02, 2026188No prior observation