How to Buy Constellium Se Stock

Constellium Se

Constellium Se is a aluminum company located in Netherlands, which is part of the Basic Materials sector, and is traded under the ticker CSTM on the NYSE exchange.

Constellium Se stock last closed at $22.38, down 5.65% from the previous day, and has increased 90.31% in one year. It has overperformed other stocks in the Aluminum industry by 0.17 percentage points. Constellium Se stock is currently +205.53% from its 52-week low of $7.33, and -18.35% from its 52-week high of $27.41.

There are currently 135.07M CSTM shares outstanding. The market value of CSTM is $3.02B. In the last 24 hours, 3.4M CSTM shares were traded.

How to Buy Constellium Se Stock

Wondering how to invest in Constellium Se stock? Here's how.

  1. Choose where to buy Constellium Se stock: You need to choose a stock brokerage, but don't worry - we've sifted through dozens of stock brokerages and apps to help you figure out where to buy Constellium Se stock.
  2. Open a brokerage account: Sign up for 0% fee trading with the highest-rated brokerage we've selected.
  3. Fund your investment account: Choose your payment method and add your info.
  4. Evaluate Constellium Se stock: The Constellium Se ticker symbol is CSTM. Is Constellium Se stock a good investment? Should you buy shares of CSTM? How do CSTM's underlying business fundamentals look? Do top analysts think Constellium Se is a good buy? Why has CSTM's stock price moved recently? (Hint: Our stock market analysis website can help you figure out if CSTM is a good stock to buy).
  5. Make your CSTM buy order: Decide if you will purchase CSTM shares at the current market price or use a limit order to buy CSTM shares at a given price.
  6. Get key alerts regarding your CSTM investment: Create a watchlist to get live updates on your position in Constellium Se stock.

Step 1: Choose where to buy Constellium Se stock

You need an online brokerage account in order to access the NYSE market and buy CSTM shares.

A brokerage account is an investment account that allows you to buy and sell a variety of investments, including stocks, bonds, mutual funds, and ETFs.

Our recommended brokerage: eToro

In our opinion, eToro is the best online stock brokerage. Here's why:

  • You can invest in stocks with zero commissions: Invest without paying trading commissions.
  • Buy fractional shares: Even if you don't have the money to buy a full share, you can still purchase the stock.
  • Access to world financial markets: From Tech to Healthcare, New York to Hong Kong (for US users, only US stocks are available) — you can fill your portfolio with stocks from the world's leading exchanges.
  • Social investing: eToro has a community with more than 20 million users around the world. Talk to, learn from, and copy the unique crypto portfolios of other investors.
  • Security: eToro is a regulated and licensed fintech leader.
  • Buy other assets: Such as ETFs and cryptos.

Get $10 towards your stock purchase by opening an account with eToro today. This offer is only for US users.

Open eToro Account
eToro securities trading is offered by eToro USA Securities, Inc. (“the BD”), member of FINRA and SIPC. Cryptocurrency is offered by eToro USA LLC (“the MSB”) (NMLS: 1769299) and is not FDIC or SIPC insured. Investing involves risk, and content is provided for educational purposes only, does not imply a recommendation, and is not a guarantee of future performance. https://www.wallstreetzen.com is not an affiliate and may be compensated if you access certain products or services offered by the MSB and/or the BD.

Step 2: Open a brokerage account

Now that you've selected the right brokerage, the next step is to fill out some personal information so you are able to invest in CSTM stock today.

How to Start a New Brokerage Account on eToro

  1. Click here to get started.
    eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.
  2. Input your personal info to create a new trading account.
  1. Submit your details by clicking the "Create Account" button.
  2. Get started with eToro today
    eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

Step 3: Fund your investment account

Now that you have finished signing up on one of the most highly reviewed stock trading apps, your next step is to transfer the money for your investment:

Check out the video below if you need help transferring funds into your new investment account.

Get started with eToro today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

Step 4: Evaluate Constellium Se stock

Once you have selected the best place to buy Constellium Se stock, it's crucial to research their stock before you invest, so you truly wrap your head around the risk and opportunity.

Constellium Se Numbers

CSTM Price
$22.38
1w %
-9.06%
1y %
90.31%
5y %
41.74%
P/E
11.48x
P/B
3.18x
P/S
0.36x
PEG
2.69x
Revenue
$8.45B
Earnings
$273.00M
Fore. Rev. Growth
21.45%
Fore. Earn. Growth
5.27%
Market Cap
$3.02B
Next Earnings
N/A
Next Dividend
N/A

Fundamentals of CSTM

WallStreetZen was designed to help part-time investors perform more accurate fundamental analysis in less time.

You can view all of the due diligence checks on CSTM's stock page.

What is the fair value of CSTM stock?

You can use many financial metrics, analyses, models, and charts to gauge CSTM's fair value.

Using relative valuations ratios:

  • CSTM could be undervalued based on its P/E ratio of 11.48x, relative to Aluminum industry P/E ratio of 33.37x
  • CSTM may be overvalued based on its P/B ratio of 3.18x, relative to Aluminum industry P/B ratio of 2.84x
  • CSTM may be overvalued based on its PEG ratio of 2.69x

You can access additional valuation research on CSTM's stock here.

How do CSTM Financials look?

Signs that CSTM is financially healthy:

  • CSTM's operating cash flow of $489.00M allows it to safely service it's debt of $1.94B.
  • There are more short-term assets than short-term liabilities on the CSTM balance sheet.
  • Total CSTM debt is lower than 5 years ago, relative to shareholder equity.
  • CSTM profit margin has gone up from 0.8% to 3.2% in the past year.

Signs that CSTM is not financially healthy:

  • CSTM has a relatively high debt to equity ratio of 4.6.
  • There are more long-term liabilities than short-term assets on the CSTM balance sheet.
  • CSTM earnings of $515.00M is not enough to cover its interest payments.

Is it a good time to buy CSTM stock, according to analysts?

Out of 4 Equities analysts who give ratings on CSTM, the consensus analyst rating on CSTM is a Strong Buy

It's important to keep in mind that analyst ratings are not stock recommendations, nor are they financial advice.

You can dive deeper into what analysts are projecting on the Constellium Se stock forecast page.

Metrics for Advanced CSTM Traders

SMA10
24.65
SMA20
25.15
SMA50
24.06
SMA100
20.65
SMA200
17.5
MACD
-0.06
MACD Signal
0.34
MACD Histogram
-0.4
RSI
36.44
Stochastic %K
18.51
Stochastic %D
28.44
StochRSI %K
0.06
StochRSI %D
8.64

CSTM Performance Numbers

Last year, CSTM earnings were $273.00M. During the last four year, CSTM's earnings have grown by -0.08% per year. This was faster than the Aluminum industry average of -4.49%.

Last year, CSTM revenue was $8.45B. Over the past 5 year, CSTM's revenue has gone up by 9.99% per year. This was faster than the Aluminum industry average of 8.84%.

You can analyze CSTM's earnings and revenue performance here.

Latest Insiders Trades at CSTM

Over the past 12 months, executives and large shareholders at CSTM have sold more shares than they have bought.

Marcus Becker, SVP CPO of CSTM, was the latest CSTM insider to sell. They sold $250,900.00 worth of CSTM shares on Mar 16, 2026.

Learn more about who owns CSTM stock here.

Can I get consistent income from CSTM stock?

No, Constellium Se doesn't provide an income stream by paying out dividends.

What others are saying about CSTM

One of the major reasons eToro is our highest-rated brokerage is because of its social trading community.

Click below to find out what other community members have to say.

Step 5: Make your CSTM buy order

There are two primary types of orders:

  • Market order: A market order is an order to buy or sell a stock at the best possible price.
    Market orders are usually the easiest way to buy.
  • Limit order: A limit order allows you to buy or sell a stock at a specific price (or better).
    If you want to be certain you're buying or selling at a specific dollar amount limit, place a limit order.

Click the Open button and your broker will execute your order.

If you want more assistance buying stocks on eToro, click the how to video below:

Open eToro Account

Step 6: Get key alerts regarding your CSTM investment

Now that you own some shares in CSTM, you'll want to keep up with your investment.

Make a watchlist to get notified of the latest news about your CSTM stock.

CSTM Feed

How to Buy Stock in Constellium Se

To summarize, here are the 6 steps to buy Constellium Se stock:

  1. Choose where to buy Constellium Se stock
  2. Open a brokerage account
  3. Fund your investment account
  4. Evaluate Constellium Se stock
  5. Make your CSTM buy order
  6. Get key alerts regarding your CSTM investment

If you require a brokerage, eToro is our favorite venue.

Get Started with eToro Today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

If you would like to keep tabs on your investment in Constellium Se, hit the button below to create your watchlist.

NYSE: CSTM
$22.38-1.34 (-5.65%)
Updated Mar 20, 2026
Open eToro Account
Your capital is at risk.
NYSE: CSTM
$22.38-1.34 (-5.65%)
Updated Mar 20, 2026
Open eToro Account
Your capital is at risk.

FAQ

How much does it cost to buy one Constellium Se share?

As of Mar 20, 2026, it costs $22.38 to buy one share of Constellium Se stock.

Remember, eToro's fractional share buying allows you to buy partial shares of stocks and ETFs. Even if you only have $10, you can buy 0.447 shares of CSTM.

Get Started with eToro Today
eToro is a multi-asset investment platform. The value of your investments may go up or down. Your capital is at risk.

Is now a good time to buy Constellium Se stock?

According to 4 Wall Street analysts who monitor Constellium Se, their consensus recommendation is to buy Constellium Se stock.

What is the best way to buy Constellium Se stock?

One way to place an order for Constellium Se stock is with a brokerage account.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.