Aldeyra TherapeuticsALDX -9.41%29 Debt-to-EBITDA is -1.33 as of Mar. 2026. GuruFocus rates ALDX with a GF Score™ of 29/100. The stock has 2 warning signs investors should review. Among 291 Biotechnology companies, Aldeyra Therapeutics ranks worse than 343642.27% on this metric.
Debt-to-EBITDA measures a company's ability to pay off its debt.
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt. According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
The historical rank and industry rank for Aldeyra Therapeutics's Debt-to-EBITDA or its related term are showing as below:
ALDX'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: -0.62 Med: -0.28 Max: -0.06
Current: -0.62
During the past 13 years, the highest Debt-to-EBITDA Ratio of Aldeyra Therapeutics was -0.06. The lowest was -0.62. And the median was -0.28.
ALDX's Debt-to-EBITDA is ranked worse than 100% of 291
companies
in the Biotechnology industry
Industry Median: 1.14
vs ALDX: -0.62
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt.
According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
Aldeyra Therapeutics Debt-to-EBITDA Related Terms
Aldeyra Therapeutics Debt-to-EBITDA Historical Data
* Premium members only.
The historical data trend for Aldeyra Therapeutics's Debt-to-EBITDA can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
ALDX vs ONCY, VRCA, CUE: Debt-to-EBITDA Comparison
For the Biotechnology subindustry, Aldeyra Therapeutics's Debt-to-EBITDA, along with its competitors' market caps and Debt-to-EBITDA data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Aldeyra Therapeutics Debt-to-EBITDA vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Aldeyra Therapeutics's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Aldeyra Therapeutics's Debt-to-EBITDA falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
In the calculation of annual Debt-to-EBITDA, the EBITDA of the last fiscal year is used. In calculating the annualized quarterly data,
the EBITDA data used here is four times the quarterly (Mar. 2026) EBITDA data.
Aldeyra Therapeutics (ALDX) has a Debt-to-EBITDA of -1.33 as of Mar. 2026. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Aldeyra Therapeutics. According to the industry distribution chart, Aldeyra Therapeutics ranks #999999 out of 291 companies in the Biotechnology industry.
Is Aldeyra Therapeutics' Debt-to-EBITDA too high?
Aldeyra Therapeutics' current Debt-to-EBITDA is -1.33. Based on the distribution chart, Aldeyra Therapeutics ranks #999999 out of 291 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Aldeyra Therapeutics has a GF Score™ of 29/100, reflecting its overall financial health beyond just this single metric.
How does Aldeyra Therapeutics' Debt-to-EBITDA compare to ONCY and VRCA?
According to the Biotechnology industry distribution chart, Aldeyra Therapeutics ranks #999999 out of 291 companies for Debt-to-EBITDA. This places Aldeyra Therapeutics in the lower half of its industry. The industry median Debt-to-EBITDA is 1.14. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-EBITDA for a Biotechnology company?
The median Debt-to-EBITDA among Biotechnology companies is 1.14, based on 291 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-EBITDA mean?
A high Debt-to-EBITDA can signal that a stock is expensive relative to its fundamentals. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Aldeyra Therapeutics. For the Biotechnology industry, the median Debt-to-EBITDA is 1.14 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Aldeyra Therapeutics's current Debt-to-EBITDA is -1.33. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Aldeyra Therapeutics stock overvalued right now?
Aldeyra Therapeutics (ALDX) has a current Debt-to-EBITDA of -1.33. The current Debt-to-EBITDA is -1.33. Aldeyra Therapeutics' overall GF Score™ is 29/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-EBITDA calculated?
Debt-to-EBITDA is calculated from a company's financial statements. For Aldeyra Therapeutics (ALDX), the current Debt-to-EBITDA is -1.33 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Aldeyra Therapeutics Inc is a biotechnology company engaged in developing and commercializing next-generation medicines to improve the lives of patients with immune-mediated and metabolic diseases. The company's product candidate, Reproxalap, is a treatment in late-stage development for dry eye disease and allergic conjunctivitis. In addition, it also has additional product candidates in development for proliferative vitreoretinopathy, primary vitreoretinal lymphoma, and other retinal diseases, autoimmune disease, and cancer. Company products includes ADX248, ADX743, ADX631, ADX246, ADX629, ADX2191.
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