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Constellium SECSTM -1.75%74 Debt-to-EBITDA is 1.39 as of Mar. 2026, which is 65% below its 10-year median of 3.99. GuruFocus rates CSTM with a GF Score™ of 74/100 and a GF Value™ of $20.42 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 596 Metals & Mining companies, Constellium SE ranks worse than 58.89% 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 Constellium SE's Debt-to-EBITDA or its related term are showing as below:
CSTM'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: 1.91 Med: 3.99 Max: 6.52
Current: 1.91
During the past 13 years, the highest Debt-to-EBITDA Ratio of Constellium SE was 6.52. The lowest was 1.91. And the median was 3.99.
CSTM's Debt-to-EBITDA is ranked worse than 58.89% of 596
companies
in the Metals & Mining industry
Industry Median: 1.235
vs CSTM: 1.91
Constellium SE (NYSE:CSTM) Debt-to-EBITDA Explanation
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.
Constellium SE Debt-to-EBITDA Related Terms
Constellium SE Debt-to-EBITDA Historical Data
* Premium members only.
The historical data trend for Constellium SE'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.
For the Aluminum subindustry, Constellium SE'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.
Constellium SE Debt-to-EBITDA vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Constellium SE's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Constellium SE'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.
Constellium SE (CSTM) has a Debt-to-EBITDA of 1.39 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 Constellium SE. This is 65% below median its historical median of 3.99. Over the past decade, Constellium SE's Debt-to-EBITDA has ranged from 1.91 to 6.52. According to the industry distribution chart, Constellium SE ranks #351 out of 596 companies in the Metals & Mining industry, placing it in the top 58.9%.
Is Constellium SE's Debt-to-EBITDA too high?
Constellium SE's current Debt-to-EBITDA of 1.39 is 65% below median its 10-year median of 3.99. Over the past 10 years, this metric has ranged from a low of 1.91 to a high of 6.52. The Metals & Mining industry median Debt-to-EBITDA is 1.24. Constellium SE's value of 1.39 is 12.6% above this industry median. Based on the distribution chart, Constellium SE ranks #351 out of 596 companies in the Metals & Mining industry, which is below the industry midpoint. Overall, Constellium SE has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Constellium SE's Debt-to-EBITDA compare to CENX and KALU?
According to the Metals & Mining industry distribution chart, Constellium SE ranks #351 out of 596 companies for Debt-to-EBITDA. This places Constellium SE in the lower half of its industry. The industry median Debt-to-EBITDA is 1.24. Constellium SE's value of 1.39 is 12.6% above this benchmark. Historically, Constellium SE's own Debt-to-EBITDA has ranged from 1.91 to 6.52 over the past decade. While the company's 10-year median is 3.99 vs. the industry median of 1.24, Constellium SE has consistently been above the industry average. 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 Metals & Mining company?
The median Debt-to-EBITDA among Metals & Mining companies is 1.24, based on 596 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. Constellium SE's current Debt-to-EBITDA of 1.39 is 12.6% above the industry median. 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 Constellium SE. For the Metals & Mining industry, the median Debt-to-EBITDA is 1.24 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Constellium SE's current Debt-to-EBITDA is 1.39, which is 65% below median its own 10-year median of 3.99. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Constellium SE stock overvalued right now?
Based on GuruFocus' analysis, Constellium SE (CSTM) is currently considered Significantly Overvalued. The stock's GF Value™ is $20.42, compared to a current price of $28.65 — trading 40.3% above its estimated fair value. The current Debt-to-EBITDA is 1.39, which is 65% below median its 10-year median of 3.99 and 12.6% above the Metals & Mining industry median of 1.24. Constellium SE's overall GF Score™ is 74/100 with 1 warning sign 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 Constellium SE (CSTM), the current Debt-to-EBITDA is 1.39 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.
Is Constellium SE (CSTM) Overvalued in 2026?
Based on GuruFocus' analysis, Constellium SE stock appears to be overvalued.
The current stock price of $28.65 is trading 40.3% above its estimated GF Value™ of $20.42.
GuruFocus considers Constellium SE to be Significantly Overvalued.
Key valuation signals for CSTM:
Debt-to-EBITDA: 1.39 (65% below median its 10-year median of 3.99)
GF Value™: $20.42 vs. price of $28.65 (40.3% above fair value)
Industry Position: 12.6% above the Metals & Mining median (#351 of 596)
No single metric tells the full story. See the CSTM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers. It operates through three segments: Aerospace & Transportation Operating Segment, Packaging & Automotive Rolled Products Operating Segment, and Automotive Structures & Industry Operating Segment. It serves Aerospace, Packaging and Automotive and operates in the United States, France, Germany and others.
74GF Score
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