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Contract OI history

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Mar 19, 2027 EXPIRATION

ALDX $3.00 Call

ALDX270319C00003000

Latest saved OI104Oct 21, 2026
Last change-5vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ALDX $3.00 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. 109540 2026-10-09: 105 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-16: 109 OI2026-10-21: 104 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, 2026Viewing104-5
Oct 16, 2026109+4
Oct 14, 20261050
Oct 13, 20261050
Oct 09, 2026105No prior observation