Rave Restaurant Group, Inc. (NASDAQ:RAVE) shareholders have had their patience rewarded with a 33% share price jump in the last month. Unfortunately, despite the strong performance over the last month, the full year gain of 7.8% isn't as attractive.

In spite of the firm bounce in price, Rave Restaurant Group's price-to-earnings (or "P/E") ratio of 13.8x 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 19x and even P/E's above 34x 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 limited.

Rave Restaurant Group certainly has been doing a great job lately as it's been growing earnings at a really rapid pace. It might be that many expect the strong earnings performance to degrade substantially, which has repressed the P/E. If that doesn't eventuate, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

Does Growth Match The Low P/E?

There's an inherent assumption that a company should underperform the market for P/E ratios like Rave Restaurant Group's to be considered reasonable.

If we review the last year of earnings growth, the company posted a terrific increase of 62%. Pleasingly, EPS has also lifted 93% in aggregate from three years ago, thanks to the last 12 months of growth. Accordingly, shareholders would have probably welcomed those medium-term rates of earnings growth.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 15% shows it's noticeably more attractive on an annualised basis.

In light of this, it's peculiar that Rave Restaurant Group's P/E sits below the majority of other companies. Apparently some shareholders believe the recent performance has exceeded its limits and have been accepting significantly lower selling prices.

The Key Takeaway

Despite Rave Restaurant Group's shares building up a head of steam, its P/E still lags most other companies. 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 Rave Restaurant Group currently trades on a much lower than expected P/E since its recent three-year growth is higher than the wider market forecast. There could be some major unobserved threats to earnings preventing the P/E ratio from matching this positive performance. At least price risks look to be very low if recent medium-term earnings trends continue, but investors seem to think future earnings could see a lot of volatility.

Having said that, be aware Rave Restaurant Group is showing 2 warning signs in our investment analysis, you should know about.

You might be able to find a better investment than Rave Restaurant Group. If you want a selection of possible candidates, check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.