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Is It Time To Reassess Constellium (CSTM) After Its 120% One Year Share Price Surge
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  • If you are wondering whether Constellium's current share price lines up with its underlying value, the recent share performance offers a strong starting point for that question.
  • The stock last closed at US$23.95, with returns of 1.0% over 7 days, a 3.2% decline over 30 days, 21.1% year to date, 120.3% over 1 year, 59.2% over 3 years and 61.0% over 5 years. This naturally raises questions about how much of the story is already in the price.
  • Recent coverage of Constellium has focused on its role within the broader materials sector and how investors are reassessing companies tied to industrial and infrastructure demand. That context helps explain why the share price has seen both shorter term pullbacks and stronger multi year returns as sentiment and expectations shifted.
  • Constellium currently holds a 5 out of 6 valuation score, which suggests that a closer look at methods like DCF, multiples and peer comparisons is useful. There is also a more comprehensive way to think about valuation coming up later in this article.

Constellium delivered 120.3% returns over the last year. See how this stacks up to the rest of the Metals and Mining industry.

Approach 1: Constellium Discounted Cash Flow (DCF) Analysis

A Discounted Cash Flow model takes estimates of the cash a company may generate in the future and discounts those amounts back to today using a required return, to arrive at an estimated value per share.

For Constellium, the model used is a 2 Stage Free Cash Flow to Equity framework based on cash flows in US$. The latest twelve month free cash flow is reported at about $92.1 million. Analyst inputs extend out to 2027, with Simply Wall St extrapolating further to build a 10 year path, including projected free cash flow of $256.5 million in 2026 and $669.1 million in 2035, with each future figure discounted back to present value.

Aggregating these discounted cash flows results in an estimated intrinsic value of about $48.02 per share. Compared with the recent share price of $23.95, this suggests the stock is around 50.1% undervalued according to this DCF analysis.

Result: UNDERVALUED

Our Discounted Cash Flow (DCF) analysis suggests Constellium is undervalued by 50.1%. Track this in your watchlist or portfolio, or discover 61 more high quality undervalued stocks.

CSTM Discounted Cash Flow as at Mar 2026
CSTM Discounted Cash Flow as at Mar 2026

Head to the Valuation section of our Company Report for more details on how we arrive at this Fair Value for Constellium.

Approach 2: Constellium Price vs Earnings

For a profitable company, the P/E ratio is a useful way to think about what you are paying for each dollar of earnings, which is why it is the preferred multiple here. Higher growth expectations and lower perceived risk usually support a higher P/E, while lower growth and higher risk tend to justify a lower P/E.

Constellium currently trades on a P/E of 11.85x. That sits below both the Metals and Mining industry average P/E of 21.06x and the broader peer group average of 40.04x, which points to a lower earnings multiple than many comparable names.

Simply Wall St also calculates a proprietary “Fair Ratio” for Constellium of 20.41x. This goes beyond simple peer or industry comparisons because it brings together factors such as earnings growth, profit margins, the company’s industry and market cap, as well as risk indicators. As a result, the Fair Ratio aims to capture what would be a more tailored, company specific P/E than a single industry average can provide.

Comparing the Fair Ratio of 20.41x with the actual P/E of 11.85x suggests Constellium trades below this modelled range, which points to the shares being undervalued on this metric.

Result: UNDERVALUED

NYSE:CSTM P/E Ratio as at Mar 2026
NYSE:CSTM P/E Ratio as at Mar 2026

P/E ratios tell one story, but what if the real opportunity lies elsewhere? Start investing in legacies, not executives. Discover our 20 top founder-led companies.

Upgrade Your Decision Making: Choose your Constellium Narrative

Earlier it was mentioned that there is an even better way to understand valuation. Narratives take that next step by letting you set a clear story for Constellium, link it directly to a forecast for revenue, earnings and margins, and turn that into a Fair Value that you can compare with the current share price on Simply Wall St's Community page. Narratives are updated when new news or earnings arrive, so a more cautious view that anchors to a Fair Value of about US$27.89 and a more optimistic view that leans toward roughly US$30.01 can both sit side by side. This helps you see where your own expectations fit within that range and whether the current price looks high or low relative to the story you believe.

Do you think there's more to the story for Constellium? Head over to our Community to see what others are saying!

NYSE:CSTM 1-Year Stock Price Chart
NYSE:CSTM 1-Year Stock Price Chart

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

Disclaimer:This article represents the opinion of the author only. It does not represent the opinion of Webull, nor should it be viewed as an indication that Webull either agrees with or confirms the truthfulness or accuracy of the information. It should not be considered as investment advice from Webull or anyone else, nor should it be used as the basis of any investment decision.
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