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Contract OI history

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Jan 15, 2027 EXPIRATION

ERAS $20.00 Call

ERAS270115C00020000

Latest saved OI3,949Oct 23, 2026
Last change+1vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERAS $20.00 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. 3,9491,9740 2026-10-08: 3,751 OI2026-10-09: 3,720 OI2026-10-13: 3,733 OI2026-10-14: 3,733 OI2026-10-15: 3,737 OI2026-10-16: 3,738 OI2026-10-21: 3,948 OI2026-10-23: 3,949 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, 2026Viewing3,949+1
Oct 21, 20263,948+210
Oct 16, 20263,738+1
Oct 15, 20263,737+4
Oct 14, 20263,7330
Oct 13, 20263,733+13
Oct 09, 20263,720-31
Oct 08, 20263,751No prior observation