When close to half the companies in Australia have price-to-earnings ratios (or "P/E's") above 20x, you may consider Stonehorse Energy Limited (ASX:SHE) as a highly attractive investment with its 4.3x P/E ratio. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so limited.

Recent times have been quite advantageous for Stonehorse Energy as its earnings have been rising very briskly. One possibility is that the P/E is low because investors think this strong earnings growth might actually underperform the broader market in the near future. If that doesn't eventuate, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

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Does Growth Match The Low P/E?

In order to justify its P/E ratio, Stonehorse Energy would need to produce anemic growth that's substantially trailing the market.

If we review the last year of earnings growth, the company posted a terrific increase of 60%. Although, its longer-term performance hasn't been as strong with three-year EPS growth being relatively non-existent overall. Therefore, it's fair to say that earnings growth has been inconsistent recently for the company.

Comparing that to the market, which is predicted to deliver 25% growth in the next 12 months, the company's momentum is weaker based on recent medium-term annualised earnings results.

In light of this, it's understandable that Stonehorse Energy's P/E sits below the majority of other companies. It seems most investors are expecting to see the recent limited growth rates continue into the future and are only willing to pay a reduced amount for the stock.

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 Stonehorse Energy maintains its low P/E on the weakness of its recent three-year growth being lower than the wider market forecast, as expected. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. Unless the recent medium-term conditions improve, they will continue to form a barrier for the share price around these levels.

Having said that, be aware Stonehorse Energy is showing 4 warning signs in our investment analysis, and 3 of those make us uncomfortable.

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.

Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team (at) simplywallst.com.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.