When close to half the companies in the United States have price-to-earnings ratios (or "P/E's") above 17x, you may consider Halliburton Company (NYSE:HAL) as an attractive investment with its 11.5x P/E ratio. However, the P/E might be low for a reason and it requires further investigation to determine if it's justified.

With its earnings growth in positive territory compared to the declining earnings of most other companies, Halliburton has been doing quite well of late. One possibility is that the P/E is low because investors think the company's earnings are going to fall away like everyone else's soon. If not, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

Keen to find out how analysts think Halliburton's future stacks up against the industry? In that case, our free report is a great place to start.

How Is Halliburton's Growth Trending?

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

Taking a look back first, we see that the company grew earnings per share by an impressive 34% last year. Although, its longer-term performance hasn't been as strong with three-year EPS growth being relatively non-existent overall. Accordingly, shareholders probably wouldn't have been overly satisfied with the unstable medium-term growth rates.

Looking ahead now, EPS is anticipated to climb by 13% each year during the coming three years according to the analysts following the company. Meanwhile, the rest of the market is forecast to only expand by 10% each year, which is noticeably less attractive.

In light of this, it's peculiar that Halliburton's P/E sits below the majority of other companies. It looks like most investors are not convinced at all that the company can achieve future growth expectations.

What We Can Learn From Halliburton's P/E?

It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

We've established that Halliburton currently trades on a much lower than expected P/E since its forecast growth is higher than the wider market. There could be some major unobserved threats to earnings preventing the P/E ratio from matching the positive outlook. At least price risks look to be very low, but investors seem to think future earnings could see a lot of volatility.

Having said that, be aware Halliburton is showing 2 warning signs in our investment analysis, 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.

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