The Rocky Brands, Inc. (NASDAQ:RCKY) share price has fared very poorly over the last month, falling by a substantial 35%. Longer-term shareholders will rue the drop in the share price, since it's now virtually flat for the year after a promising few quarters.

Even after such a large drop in price, Rocky Brands' price-to-earnings (or "P/E") ratio of 11.4x 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 18x 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.

The earnings growth achieved at Rocky Brands over the last year would be more than acceptable for most companies. It might be that many expect the respectable earnings performance to degrade substantially, which has repressed the P/E. 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.

Although there are no analyst estimates available for Rocky Brands, take a look at this free data-rich visualisation to see how the company stacks up on earnings, revenue and cash flow.

What Are Growth Metrics Telling Us About The Low P/E?

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

Taking a look back first, we see that the company grew earnings per share by an impressive 29% last year. However, this wasn't enough as the latest three year period has seen a very unpleasant 27% drop in EPS in aggregate. Therefore, it's fair to say the earnings growth recently has been undesirable for the company.

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.

In light of this, it's understandable that Rocky Brands' P/E would sit below the majority of other companies. However, we think shrinking earnings are unlikely to lead to a stable P/E over the longer term, which could set up shareholders for future disappointment. Even just maintaining these prices could be difficult to achieve as recent earnings trends are already weighing down the shares.

The Final Word

Rocky Brands' P/E has taken a tumble along with its share price. We'd say the price-to-earnings ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

We've established that Rocky Brands maintains its low P/E on the weakness of its sliding earnings over the medium-term, as expected. Right now shareholders are accepting the low P/E as they concede future earnings probably won't provide any pleasant surprises. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

Before you take the next step, you should know about the 3 warning signs for Rocky Brands (2 are a bit concerning!) that we have uncovered.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and 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.