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Contract OI history

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Dec 18, 2026 EXPIRATION

ERAS $25.00 Call

ERAS261218C00025000

Latest saved OI1,153Oct 23, 2026
Last change-50vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
ERAS $25.00 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. 1,2036010 2026-10-08: 1,202 OI2026-10-09: 1,202 OI2026-10-13: 1,202 OI2026-10-14: 1,202 OI2026-10-15: 1,202 OI2026-10-16: 1,202 OI2026-10-21: 1,203 OI2026-10-23: 1,153 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, 2026Viewing1,153-50
Oct 21, 20261,203+1
Oct 16, 20261,2020
Oct 15, 20261,2020
Oct 14, 20261,2020
Oct 13, 20261,2020
Oct 09, 20261,2020
Oct 08, 20261,202No prior observation