Compliance Status
Not Halal
Screened on Oct 15, 2026 · AAOIFI Standard 21
Non-Compliant
Is Aldeyra The (ALDX) halal? Not Halal. Based on AAOIFI screening, Aldeyra The passes the business activity screen but fails financial ratio screens with a compliance score of 0/100 (Grade: F).
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HalalScreener rates Aldeyra The (ALDX) Not Halal, 0/100, grade F under AAOIFI Standard 21, screened Oct 15, 2026. Source: https://halalscreener.app/en/stock/ALDX
Business activity
What the company sells is permissible.
Company debt
Over the limitHow much the company borrows, compared to its total value. AAOIFI allows up to 30%.
The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
What this means for you
Most scholars advise not holding ALDX
It does not pass AAOIFI Shariah screening.
See halal alternatives from the same sector further down this page

ALDX: Is Aldeyra The Halal?
Aldeyra The
$0.70
Market Cap: 42.2M
Screened on a market cap of 47.7M
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About Aldeyra The
Aldeyra Therapeutics, Inc., a biotechnology company, discovers and develops therapies designed to treat immune-mediated diseases. Its lead product candidate is reproxalap, a reactive aldehyde species (RASP) modulator, which is in Phase III clinical trial for the treatment of dry eye disease and allergic conjunctivitis; and ADX-2191, a dihydrofolate reductase inhibitor for the treatment of primary vitreoretinal lymphoma and retinitis pigmentosa. The company also develops ADX-629, an orally administered RASP modulator that is in Phase 2 clinical trials for the treatment of COVID-19, atopic asthma, psoriasis, and alcohol intoxication. In addition, it develops preclinical RASP platforms, including ADX 248, ADX 246, and other novel RASP modulators for the treatment of various diseases associated with RASP. The company was formerly known as Aldexa Therapeutics, Inc. and changed its name to Aldeyra Therapeutics, Inc. in March 2014. Aldeyra Therapeutics, Inc. was incorporated in 2004 and is based in Lexington, Massachusetts.
Sector: Healthcare · Industry: Biotechnology
Why this does not pass
- Interest-bearing debt is 32.1% of market cap, over the 30% AAOIFI limit.
- Interest-bearing deposits are over the 30% limit.
Screened under AAOIFI Standard 21. The exact figure behind this is part of Pro; the failing check and its limit are always free.
Shariah Compliance Status
See which ratio caused the failure.
See the exact debt ratio, interest income %, and prohibited revenue that caused the failure. Know before you sell or hold.
AI Compliance Insight
PROInstitutional-grade Shariah analysis
See why ALDX is rated Not Halal with institutional-grade analysis
The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
Compliance History
Not Halalnow
since Aug 2026
Under Review
until the change above
Not Halal
until the change above
Tracked since May 2026. Updates automatically on each re-screen.
Halal Alternatives in Healthcare
This stock is not Shariah-compliant. Here are halal alternatives from the same sector, ranked by compliance score:
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Frequently Asked Questions
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Screened according to AAOIFI Standard No. 21 · For informational purposes only. Consult a qualified Islamic finance advisor before investing.
Disclaimer: This screening is for informational purposes only and does not constitute financial, legal, or religious advice. Compliance is evaluated using AAOIFI financial standards (debt, deposits, and prohibited income ratios) and publicly available data. Ethical, political, social, or environmental considerations are outside the scope of this screening. Individual scholars and methodologies may differ. Always consult a qualified Islamic finance advisor before making investment decisions.
