Is It Too Late To Consider Constellium (CSTM) After Its 1 Year Share Price Surge?

Simply Wall St

Sun, February 15, 2026 at 9:23 AM GMT+9 6 min read

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CSTM

-4.27%

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If you are wondering whether Constellium’s share price still offers value after a strong run, this article will walk through what the current market price might be implying.

The stock recently closed at US$23.29, with returns of 2.3% over 30 days, 17.8% year to date, 149.4% over 1 year, 64.5% over 3 years, and 66.2% over 5 years. These figures may have changed how investors view both its growth potential and its risks.

Recent news coverage around Constellium has largely focused on its role in the materials sector and how investors are treating the stock after its strong 1 year return. This context matters because sentiment around sector peers and broader risk appetite can influence how far investors are willing to push the valuation.

On our checklist of six valuation tests, Constellium scores a 3 out of 6 for being undervalued. Next, we will look at what different valuation methods say about that score and then finish with a way to think about valuation that goes beyond the usual models.

Constellium delivered 149.4% 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 a company’s future cash flows and discounts them back to today’s dollars to arrive at an implied value per share. It is essentially asking what those future cash flows are worth right now.

For Constellium, the 2 Stage Free Cash Flow to Equity model used here works off recent free cash flow, which was a loss of about US$49.7 million, then applies analyst forecasts and longer term projections. Analysts have explicit estimates out to 2027, including forecast free cash flow of US$394.1 million in 2027. Beyond that, Simply Wall St extrapolates cash flows, with the model projecting free cash flow of about US$1.2 billion in 2035.

After discounting these projected cash flows back to today, the model arrives at an estimated intrinsic value of US$79.30 per share. Compared with the recent share price of US$23.29, this implies the stock is about 70.6% undervalued according to this DCF output.

Result: UNDERVALUED

Our Discounted Cash Flow (DCF) analysis suggests Constellium is undervalued by 70.6%. Track this in your watchlist or portfolio, or discover 53 more high quality undervalued stocks.

CSTM Discounted Cash Flow as at Feb 2026

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

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Approach 2: Constellium Price vs Earnings

For profitable companies, the P/E ratio is a useful way to relate what you are paying for each share to the earnings that the business is currently generating. It gives you a quick sense of how many dollars investors are willing to pay today for one dollar of earnings.

What counts as a “normal” P/E depends a lot on how the market views a company’s growth outlook and risk. Faster expected earnings growth and lower perceived risk can support a higher multiple, while slower growth or higher risk usually point to a lower one.

Constellium currently trades on a P/E of 28.40x. That sits slightly above the Metals and Mining industry average of about 25.91x, and below the broader peer group average of 56.02x. Simply Wall St also calculates a “Fair Ratio” of 27.10x for Constellium, which is the P/E level suggested by factors such as its earnings profile, margins, industry, market cap and company specific risks.

This Fair Ratio can be more informative than a simple comparison with industry or peer averages because it is tailored to Constellium’s own characteristics instead of treating all companies in the group as identical. With the current P/E just modestly above the Fair Ratio, the valuation looks slightly rich on this metric.

Result: OVERVALUED

NYSE:CSTM P/E Ratio as at Feb 2026

P/E ratios tell one story, but what if the real opportunity lies elsewhere? Start investing in legacies, not executives. Discover our 23 top founder-led companies.

Upgrade Your Decision Making: Choose your Constellium Narrative

Earlier we mentioned that there is an even better way to understand valuation, so let us introduce you to Narratives, a simple tool on Simply Wall St’s Community page. With Narratives, you connect your view of Constellium’s story to specific forecasts for revenue, earnings and margins, see the Fair Value that results from those assumptions, and then compare it with today’s price to help decide how you view the stock. Everything updates automatically when new earnings or news arrive. A cautious investor might build a Narrative closer to the bearish US$12.02 fair value, while an optimistic investor might lean toward the higher US$18.91 view, and both can clearly see how their story translates into numbers.

For Constellium however we will make it really easy for you with previews of two leading Constellium Narratives:

Think of these as two bookends for how investors are currently framing the stock, one more optimistic and one more cautious. Your own view might sit somewhere in between, but seeing both helps you decide which story feels closer to your expectations.

🐂 Constellium Bull Case

Fair value: US$24.99

Implied discount to this fair value versus the recent US$23.29 close: about 6.8%

Revenue growth assumption: 8.62%

Focuses on Constellium benefiting from local production, tariffs, and sustainability trends to support revenue growth and margins.

Assumes efficiency programs, recycling capacity, and electrification related demand help lift cash flow and earnings quality.

Treats the higher analyst fair value as reasonable if you are comfortable with stronger growth, margin improvement, and ongoing buybacks.

🐻 Constellium Bear Case

Fair value: US$21.97

Implied premium to this fair value versus the recent US$23.29 close: about 6.0%

Revenue growth assumption: 6.48%

Highlights risks from alternative materials, aluminum oversupply, and tariffs that could pressure pricing and margins.

Points to leverage, compliance costs, and energy use as limits on flexibility if conditions become more challenging.

Views the lower analyst fair value as more appropriate if you are more concerned about execution risk and future repricing.

Both narratives work off explicit assumptions for revenue, margins, and valuation multiples. The key for you is deciding which set of conditions feels closer to how you see Constellium’s future playing out and how much price risk you are comfortable carrying at around US$23.29 per share.

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

_ 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._

Companies discussed in this article include CSTM.

Have feedback on this article? Concerned about the content? Get in touch with us directly._ Alternatively, email editorial-team@simplywallst.com_

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