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Contract OI history

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Jan 21, 2028 EXPIRATION

ERAS $20.00 Call

ERAS280121C00020000

Latest saved OI465Oct 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 $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. 4652320 2026-10-08: 463 OI2026-10-09: 463 OI2026-10-13: 465 OI2026-10-14: 465 OI2026-10-15: 465 OI2026-10-16: 465 OI2026-10-21: 465 OI2026-10-23: 465 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, 2026Viewing4650
Oct 21, 20264650
Oct 16, 20264650
Oct 15, 20264650
Oct 14, 20264650
Oct 13, 2026465+2
Oct 09, 20264630
Oct 08, 2026463No prior observation