Shanghai Datun Energy Resources Co., Ltd.'s (SHSE:600508) price-to-earnings (or "P/E") ratio of 11.2x might make it look like a strong buy right now compared to the market in China, where around half of the companies have P/E ratios above 36x and even P/E's above 65x are quite common. However, the P/E might be quite low for a reason and it requires further investigation to determine if it's justified.

With earnings that are retreating more than the market's of late, Shanghai Datun Energy Resources has been very sluggish. It seems that many are expecting the dismal earnings performance to persist, which has repressed the P/E. If you still like the company, you'd want its earnings trajectory to turn around before making any decisions. Or at the very least, you'd be hoping the earnings slide doesn't get any worse if your plan is to pick up some stock while it's out of favour.

Check out our latest analysis for Shanghai Datun Energy Resources

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

Shanghai Datun Energy Resources' P/E ratio would be typical for a company that's expected to deliver very poor growth or even falling earnings, and importantly, perform much worse than the market.

Taking a look back first, the company's earnings per share growth last year wasn't something to get excited about as it posted a disappointing decline of 50%. However, a few very strong years before that means that it was still able to grow EPS by an impressive 86% in total over the last three years. Although it's been a bumpy ride, it's still fair to say the earnings growth recently has been more than adequate for the company.

Shifting to the future, estimates from the only analyst covering the company suggest earnings should grow by 114% over the next year. Meanwhile, the rest of the market is forecast to only expand by 43%, which is noticeably less attractive.

In light of this, it's peculiar that Shanghai Datun Energy Resources' P/E sits below the majority of other companies. Apparently some shareholders are doubtful of the forecasts and have been accepting significantly lower selling prices.

The Key Takeaway

Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

We've established that Shanghai Datun Energy Resources currently trades on a much lower than expected P/E since its forecast growth is higher than the wider market. When we see a strong earnings outlook with faster-than-market growth, we assume potential risks are what might be placing significant pressure on the P/E ratio. It appears many are indeed anticipating earnings instability, because these conditions should normally provide a boost to the share price.

Before you take the next step, you should know about the 2 warning signs for Shanghai Datun Energy Resources 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.