Despite an already strong run, Security National Financial Corporation (NASDAQ:SNFC.A) shares have been powering on, with a gain of 29% in the last thirty days. The last 30 days bring the annual gain to a very sharp 68%.

In spite of the firm bounce in price, Security National Financial's price-to-earnings (or "P/E") ratio of 10x might still 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 20x and even P/E's above 36x are quite common. However, the P/E might be low for a reason and it requires further investigation to determine if it's justified.

As an illustration, earnings have deteriorated at Security National Financial over the last year, which is not ideal at all. One possibility is that the P/E is low because investors think the company won't do enough to avoid underperforming the broader market in the near future. 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.

We don't have analyst forecasts, but you can see how recent trends are setting up the company for the future by checking out our free report on Security National Financial's earnings, revenue and cash flow.

Is There Any Growth For Security National Financial?

The only time you'd be truly comfortable seeing a P/E as low as Security National Financial's is when the company's growth is on track to lag the market.

Retrospectively, the last year delivered a frustrating 11% decrease to the company's bottom line. The last three years don't look nice either as the company has shrunk EPS by 23% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

In contrast to the company, the rest of the market is expected to grow by 15% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we are not surprised that Security National Financial is trading at a P/E lower than the market. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. Even just maintaining these prices could be difficult to achieve as recent earnings trends are already weighing down the shares.

What We Can Learn From Security National Financial's P/E?

The latest share price surge wasn't enough to lift Security National Financial's P/E close to the market median. 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.

As we suspected, our examination of Security National Financial revealed its shrinking earnings over the medium-term are contributing to its low P/E, given the market is set to grow. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. If recent medium-term earnings trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

You should always think about risks. Case in point, we've spotted 1 warning sign for Security National Financial you should be aware of.

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.