Shanghai Waigaoqiao Free Trade Zone Group Co., Ltd.'s (SHSE:600648) price-to-earnings (or "P/E") ratio of 19.3x might make it look like a buy right now compared to the market in China, where around half of the companies have P/E ratios above 28x and even P/E's above 52x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the reduced P/E.

As an illustration, earnings have deteriorated at Shanghai Waigaoqiao Free Trade Zone Group over the last year, which is not ideal at all. One possibility is that the P/E is low because investors think the company won't do enough to avoid underperforming the broader market in the near future. 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.

Is There Any Growth For Shanghai Waigaoqiao Free Trade Zone Group?

Shanghai Waigaoqiao Free Trade Zone Group's P/E ratio would be typical for a company that's only expected to deliver limited growth, and importantly, perform 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 49%. This means it has also seen a slide in earnings over the longer-term as EPS is down 31% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

In contrast to the company, the rest of the market is expected to grow by 36% over the next year, which really puts the company's recent medium-term earnings decline into perspective.

With this information, we are not surprised that Shanghai Waigaoqiao Free Trade Zone Group is trading at a P/E lower than the market. 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 Bottom Line On Shanghai Waigaoqiao Free Trade Zone Group's P/E

Using the price-to-earnings ratio alone to determine if you should sell your stock isn't sensible, however it can be a practical guide to the company's future prospects.

As we suspected, our examination of Shanghai Waigaoqiao Free Trade Zone Group revealed its shrinking earnings over the medium-term are contributing to its low P/E, given the market is set to grow. 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.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 4 warning signs with Shanghai Waigaoqiao Free Trade Zone Group (at least 1 which is potentially serious), and understanding them should be part of your investment process.

If these risks are making you reconsider your opinion on Shanghai Waigaoqiao Free Trade Zone Group, explore our interactive list of high quality stocks to get an idea of what else is out there.

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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.