Five Below, Inc. (NASDAQ:FIVE) shareholders have had their patience rewarded with a 27% share price jump in the last month. Unfortunately, the gains of the last month did little to right the losses of the last year with the stock still down 47% over that time.

After such a large jump in price, Five Below's price-to-earnings (or "P/E") ratio of 23.1x might make it look like a sell right now compared to the market in the United States, where around half of the companies have P/E ratios below 18x and even P/E's below 11x are quite common. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's as high as it is.

While the market has experienced earnings growth lately, Five Below's earnings have gone into reverse gear, which is not great. It might be that many expect the dour earnings performance to recover substantially, which has kept the P/E from collapsing. If not, then existing shareholders may be extremely nervous about the viability of the share price.

How Is Five Below's Growth Trending?

The only time you'd be truly comfortable seeing a P/E as high as Five Below's is when the company's growth is on track to outshine the market.

Retrospectively, the last year delivered virtually the same number to the company's bottom line as the year before. That's essentially a continuation of what we've seen over the last three years, as its EPS growth has been virtually non-existent for that entire period. So it seems apparent to us that the company has struggled to grow earnings meaningfully over that time.

Looking ahead now, EPS is anticipated to climb by 11% each year during the coming three years according to the analysts following the company. Meanwhile, the rest of the market is forecast to expand by 11% each year, which is not materially different.

In light of this, it's curious that Five Below's P/E sits above the majority of other companies. It seems most investors are ignoring the fairly average growth expectations and are willing to pay up for exposure to the stock. These shareholders may be setting themselves up for disappointment if the P/E falls to levels more in line with the growth outlook.

The Bottom Line On Five Below's P/E

Five Below shares have received a push in the right direction, but its P/E is elevated too. 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.

Our examination of Five Below's analyst forecasts revealed that its market-matching earnings outlook isn't impacting its high P/E as much as we would have predicted. When we see an average earnings outlook with market-like growth, we suspect the share price is at risk of declining, sending the high P/E lower. Unless these conditions improve, it's challenging to accept these prices as being reasonable.

Many other vital risk factors can be found on the company's balance sheet. You can assess many of the main risks through our free balance sheet analysis for Five Below with six simple checks.

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.