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Contract OI history

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Oct 23, 2026 EXPIRATION

ALDX $1.50 Call

ALDX261023C00001500

Latest saved OI44Oct 21, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALDX $1.50 call open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 44220 2026-10-09: 44 OI2026-10-13: 44 OI2026-10-14: 44 OI2026-10-16: 44 OI2026-10-21: 44 OI Oct 09, 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, 2026Viewing440
Oct 16, 2026440
Oct 14, 2026440
Oct 13, 2026440
Oct 09, 202644No prior observation