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Contract OI history

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Jun 17, 2027 EXPIRATION

ALDX $3.00 Call

ALDX270617C00003000

Latest saved OI31Oct 21, 2026
Last change+31vs previous saved observation
Saved market days2Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
ALDX $3.00 call open interest history 2 saved observations from 2026-10-16 to 2026-10-21. Exact values and changes are listed in the table below. 31150 2026-10-16: 0 OI2026-10-21: 31 OI Oct 16, 2026Oct 21, 2026

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

ALDX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing31+31
Oct 16, 20260No prior observation