With a price-to-earnings (or "P/E") ratio of 9.3x Air Lease Corporation (NYSE:AL) may be sending bullish signals at the moment, given that almost half of all companies in the United States have P/E ratios greater than 18x and even P/E's higher than 32x are not unusual. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's limited.

Recent times have been pleasing for Air Lease as its earnings have risen in spite of the market's earnings going into reverse. It might be that many expect the strong earnings performance to degrade substantially, possibly more than the market, which has repressed the P/E. If not, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

Keen to find out how analysts think Air Lease's future stacks up against the industry? In that case, our free report is a great place to start.

How Is Air Lease's Growth Trending?

In order to justify its P/E ratio, Air Lease would need to produce sluggish growth that's trailing the market.

Taking a look back first, we see that the company grew earnings per share by an impressive 20% last year. As a result, it also grew EPS by 26% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been respectable for the company.

Turning to the outlook, the next three years should generate growth of 3.3% per annum as estimated by the six analysts watching the company. That's shaping up to be materially lower than the 9.9% per year growth forecast for the broader market.

With this information, we can see why Air Lease is trading at a P/E lower than the market. It seems most investors are expecting to see limited future growth and are only willing to pay a reduced amount for the stock.

The Final Word

While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

As we suspected, our examination of Air Lease's analyst forecasts revealed that its inferior earnings outlook is contributing to its low P/E. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

You should always think about risks. Case in point, we've spotted 3 warning signs for Air Lease you should be aware of, and 1 of them doesn't sit too well with us.

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.