Sprouts Farmers Market, Inc.'s (NASDAQ:SFM) price-to-earnings (or "P/E") ratio of 19.5x 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 16x and even P/E's below 9x are quite common. However, the P/E might be high for a reason and it requires further investigation to determine if it's justified.

With earnings growth that's superior to most other companies of late, Sprouts Farmers Market has been doing relatively well. It seems that many are expecting the strong earnings performance to persist, which has raised the P/E. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

See our latest analysis for Sprouts Farmers Market

How Is Sprouts Farmers Market's Growth Trending?

In order to justify its P/E ratio, Sprouts Farmers Market would need to produce impressive growth in excess of the market.

Retrospectively, the last year delivered a decent 6.7% gain to the company's bottom line. EPS has also lifted 18% in aggregate from three years ago, partly thanks to the last 12 months of growth. 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 14% per year as estimated by the analysts watching the company. Meanwhile, the rest of the market is forecast to expand by 13% per year, which is not materially different.

With this information, we find it interesting that Sprouts Farmers Market is trading at a high P/E compared to the market. 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 Key Takeaway

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.

We've established that Sprouts Farmers Market currently trades on a higher than expected P/E since its forecast growth is only in line with the wider market. 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. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

And what about other risks? Every company has them, and we've spotted 1 warning sign for Sprouts Farmers Market you should know about.

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.