With its stock down 20% over the past three months, it is easy to disregard Century Aluminum (NASDAQ:CENX). But if you pay close attention, you might gather that its strong financials could mean that the stock could potentially see an increase in value in the long-term, given how markets usually reward companies with good financial health. Particularly, we will be paying attention to Century Aluminum's  ROE today.

ROE or return on equity is a useful tool to assess how effectively a company can generate returns on the investment it received from its shareholders. In short, ROE shows the profit each dollar generates with respect to its shareholder investments.

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How To Calculate Return On Equity?

ROE can be calculated by using the formula:

Return on Equity = Net Profit (from continuing operations) ÷ Shareholders' Equity

So, based on the above formula, the ROE for Century Aluminum is:

46% = US$303m ÷ US$663m (Based on the trailing twelve months to December 2024).

The 'return' refers to a company's earnings over the last year. One way to conceptualize this is that for each $1 of shareholders' capital it has, the company made $0.46 in profit.

See our latest analysis for Century Aluminum

What Is The Relationship Between ROE And Earnings Growth?

Thus far, we have learned that ROE measures how efficiently a company is generating its profits. Depending on how much of these profits the company reinvests or "retains", and how effectively it does so, we are then able to assess a company’s earnings growth potential. Assuming everything else remains unchanged, the higher the ROE and profit retention, the higher the growth rate of a company compared to companies that don't necessarily bear these characteristics.

Century Aluminum's Earnings Growth And 46% ROE

To begin with, Century Aluminum has a pretty high ROE which is interesting. Second, a comparison with the average ROE reported by the industry of 11% also doesn't go unnoticed by us. Under the circumstances, Century Aluminum's considerable five year net income growth of 51% was to be expected.

As a next step, we compared Century Aluminum's net income growth with the industry, and pleasingly, we found that the growth seen by the company is higher than the average industry growth of 15%.NasdaqGS:CENX Past Earnings Growth April 6th 2025

Earnings growth is a huge factor in stock valuation. What investors need to determine next is if the expected earnings growth, or the lack of it, is already built into the share price. Doing so will help them establish if the stock's future looks promising or ominous. One good indicator of expected earnings growth is the P/E ratio which determines the price the market is willing to pay for a stock based on its earnings prospects. So, you may want to check if Century Aluminum is trading on a high P/E or a low P/E , relative to its industry.

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Is Century Aluminum Making Efficient Use Of Its Profits?

Century Aluminum doesn't pay any regular dividends currently which essentially means that it has been reinvesting all of its profits into the business. This definitely contributes to the high earnings growth number that we discussed above.

Conclusion

On the whole, we feel that Century Aluminum's performance has been quite good. In particular, it's great to see that the company is investing heavily into its business and along with a high rate of return, that has resulted in a sizeable growth in its earnings. Having said that, the company's earnings growth is expected to slow down, as forecasted in the current analyst estimates. To know more about the latest analysts predictions for the company, check out this visualization of analyst forecasts for the company.

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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.

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