Copa Holdings, S.A.'s (NYSE:CPA) price-to-earnings (or "P/E") ratio of 8.3x might make it look like a strong buy right now compared to the market in the United States, where around half of the companies have P/E ratios above 17x and even P/E's above 32x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly reduced P/E.

Recent times have been pleasing for Copa Holdings as its earnings have risen in spite of the market's earnings going into reverse. One possibility is that the P/E is low because investors think the company's earnings are going to fall away like everyone else's soon. 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 out of favour.

Is There Any Growth For Copa Holdings?

Copa Holdings' P/E ratio would be typical for a company that's expected to deliver very poor growth or even falling earnings, and importantly, perform much worse than the market.

If we review the last year of earnings growth, the company posted a terrific increase of 50%. Still, EPS has barely risen at all from three years ago in total, which is not ideal. Therefore, it's fair to say that earnings growth has been inconsistent recently for the company.

Shifting to the future, estimates from the eleven analysts covering the company suggest earnings should grow by 9.1% per year over the next three years. With the market predicted to deliver 10% growth per year, the company is positioned for a comparable earnings result.

With this information, we find it odd that Copa Holdings is trading at a P/E lower than the market. Apparently some shareholders are doubtful of the forecasts and have been accepting lower selling prices.

The Bottom Line On Copa Holdings' P/E

We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

Our examination of Copa Holdings' analyst forecasts revealed that its market-matching earnings outlook isn't contributing to its P/E as much as we would have predicted. When we see an average earnings outlook with market-like growth, we assume potential risks are what might be placing pressure on the P/E ratio. At least the risk of a price drop looks to be subdued, but investors seem to think future earnings could see some volatility.

Before you settle on your opinion, we've discovered 2 warning signs for Copa Holdings that you should be aware of.

You might be able to find a better investment than Copa Holdings. If you want a selection of possible candidates, check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.