OITracker Cboe delayed data

Contract OI history

Back to ERAS

Dec 18, 2026 EXPIRATION

ERAS $2.50 Call

ERAS261218C00002500

Latest saved OI1,118Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERAS $2.50 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,1185590 2026-10-08: 1,118 OI2026-10-09: 1,118 OI2026-10-13: 1,118 OI2026-10-14: 1,118 OI2026-10-15: 1,118 OI2026-10-16: 1,118 OI2026-10-21: 1,118 OI2026-10-23: 1,118 OI Oct 08, 2026Oct 23, 2026

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

ERAS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,1180
Oct 21, 20261,1180
Oct 16, 20261,1180
Oct 15, 20261,1180
Oct 14, 20261,1180
Oct 13, 20261,1180
Oct 09, 20261,1180
Oct 08, 20261,118No prior observation