Copart, Inc.'s (NASDAQ:CPRT) price-to-earnings (or "P/E") ratio of 40.4x might make it look like a strong 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. However, the P/E might be quite 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, Copart has been doing relatively well. The P/E is probably high because investors think this strong earnings performance will continue. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

If you'd like to see what analysts are forecasting going forward, you should check out our free report on Copart.

How Is Copart's Growth Trending?

In order to justify its P/E ratio, Copart would need to produce outstanding growth well in excess of the market.

Retrospectively, the last year delivered a decent 4.4% gain to the company's bottom line. This was backed up an excellent period prior to see EPS up by 37% in total over the last three years. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.

Looking ahead now, EPS is anticipated to climb by 13% per annum during the coming three years according to the ten analysts following the company. With the market predicted to deliver 11% growth each year, the company is positioned for a comparable earnings result.

With this information, we find it interesting that Copart 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

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.

We've established that Copart 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. Unless these conditions improve, it's challenging to accept these prices as being reasonable.

There are also other vital risk factors to consider before investing and we've discovered 1 warning sign for Copart that you should be aware of.

If you're unsure about the strength of Copart's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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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.