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Contract OI history

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Nov 20, 2026 EXPIRATION

ERAS $22.50 Call

ERAS261120C00022500

Latest saved OI7,406Oct 23, 2026
Last change-99vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERAS $22.50 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. 7,5203,7600 2026-10-08: 7,520 OI2026-10-09: 7,519 OI2026-10-13: 7,518 OI2026-10-14: 7,513 OI2026-10-15: 7,513 OI2026-10-16: 7,504 OI2026-10-21: 7,505 OI2026-10-23: 7,406 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, 2026Viewing7,406-99
Oct 21, 20267,505+1
Oct 16, 20267,504-9
Oct 15, 20267,5130
Oct 14, 20267,513-5
Oct 13, 20267,518-1
Oct 09, 20267,519-1
Oct 08, 20267,520No prior observation