Federal Agricultural Mortgage Corporation's (NYSE:AGM) price-to-earnings (or "P/E") ratio of 11.4x might make it look like a 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. However, the P/E might be low for a reason and it requires further investigation to determine if it's justified.

With its earnings growth in positive territory compared to the declining earnings of most other companies, Federal Agricultural Mortgage has been doing quite well of late. 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 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.

How Is Federal Agricultural Mortgage's Growth Trending?

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

Taking a look back first, we see that the company managed to grow earnings per share by a handy 14% last year. The latest three year period has also seen an excellent 80% overall rise in EPS, aided somewhat by its short-term performance. So we can start by confirming that the company has done a great job of growing earnings over that time.

Turning to the outlook, the next year should generate growth of 2.4% as estimated by the three analysts watching the company. Meanwhile, the rest of the market is forecast to expand by 11%, which is noticeably more attractive.

In light of this, it's understandable that Federal Agricultural Mortgage's P/E sits below the majority of other companies. It seems most investors are expecting to see limited future growth and are only willing to pay a reduced amount for the stock.

The Key Takeaway

Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

As we suspected, our examination of Federal Agricultural Mortgage's analyst forecasts revealed that its inferior earnings outlook is contributing to its low P/E. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

Plus, you should also learn about this 1 warning sign we've spotted with Federal Agricultural Mortgage.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with a strong growth track record, trading on a low P/E.

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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.