Sichuan Expressway Company Limited's (HKG:107) price-to-earnings (or "P/E") ratio of 7.2x might make it look like a buy right now compared to the market in Hong Kong, where around half of the companies have P/E ratios above 10x and even P/E's above 20x 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.

It looks like earnings growth has deserted Sichuan Expressway recently, which is not something to boast about. It might be that many expect the uninspiring earnings performance to worsen, 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.

How Is Sichuan Expressway's Growth Trending?

In order to justify its P/E ratio, Sichuan Expressway would need to produce sluggish growth that's trailing the market.

If we review the last year of earnings, the company posted a result that saw barely any deviation from a year ago. This isn't what shareholders were looking for as it means they've been left with a 12% decline in EPS over the last three years in total. So unfortunately, we have to acknowledge that the company has not done a great job of growing earnings over that time.

In contrast to the company, the rest of the market is expected to grow by 23% 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 Sichuan Expressway is trading at a P/E lower than the market. Nonetheless, there's no guarantee the P/E has reached a floor yet with earnings going in reverse. Even just maintaining these prices could be difficult to achieve as recent earnings trends are already weighing down the shares.

The Bottom Line On Sichuan Expressway'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.

We've established that Sichuan Expressway maintains its low P/E on the weakness of its sliding earnings over the medium-term, 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. If recent medium-term earnings trends continue, it's hard to see the share price moving strongly in either direction in the near future under these circumstances.

Plus, you should also learn about these 2 warning signs we've spotted with Sichuan Expressway (including 1 which doesn't sit too well with us).

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.