There wouldn't be many who think Reinsurance Group of America, Incorporated's (NYSE:RGA) price-to-earnings (or "P/E") ratio of 16x is worth a mention when the median P/E in the United States is similar at about 17x. While this might not raise any eyebrows, if the P/E ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

Reinsurance Group of America certainly has been doing a good job lately as its earnings growth has been positive while most other companies have been seeing their earnings go backwards. One possibility is that the P/E is moderate because investors think the company's earnings will be less resilient moving forward. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's not quite in favour.

How Is Reinsurance Group of America's Growth Trending?

The only time you'd be comfortable seeing a P/E like Reinsurance Group of America's is when the company's growth is tracking the market closely.

Retrospectively, the last year delivered an exceptional 52% gain to the company's bottom line. Pleasingly, EPS has also lifted 36% in aggregate from three years ago, thanks to the last 12 months of growth. So we can start by confirming that the company has done a great job of growing earnings over that time.

Shifting to the future, estimates from the ten analysts covering the company suggest earnings should grow by 23% each year over the next three years. That's shaping up to be materially higher than the 10% each year growth forecast for the broader market.

With this information, we find it interesting that Reinsurance Group of America is trading at a fairly similar P/E to the market. It may be that most investors aren't convinced the company can achieve future growth expectations.

What We Can Learn From Reinsurance Group of America's P/E?

Using the price-to-earnings ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

We've established that Reinsurance Group of America currently trades on a lower than expected P/E since its forecast growth is higher than the wider market. When we see a strong earnings outlook with faster-than-market growth, we assume potential risks are what might be placing pressure on the P/E ratio. It appears some are indeed anticipating earnings instability, because these conditions should normally provide a boost to the share price.

It is also worth noting that we have found 1 warning sign for Reinsurance Group of America that you need to take into consideration.

If P/E ratios interest you, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.