Shanghai Pioneer Holding Ltd (HKG:1345) shareholders have had their patience rewarded with a 25% share price jump in the last month. The last 30 days bring the annual gain to a very sharp 33%.

Following the firm bounce in price, Shanghai Pioneer Holding's price-to-earnings (or "P/E") ratio of 16.2x might make it look like a strong sell right now compared to the market in Hong Kong, where around half of the companies have P/E ratios below 10x and even P/E's below 6x are quite common. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's so lofty.

For instance, Shanghai Pioneer Holding's receding earnings in recent times would have to be some food for thought. One possibility is that the P/E is high because investors think the company will still do enough to outperform the broader market in the near future. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

Is There Enough Growth For Shanghai Pioneer Holding?

The only time you'd be truly comfortable seeing a P/E as steep as Shanghai Pioneer Holding's is when the company's growth is on track to outshine the market decidedly.

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 13%. Even so, admirably EPS has lifted 87% in aggregate from three years ago, notwithstanding the last 12 months. 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.

Weighing that recent medium-term earnings trajectory against the broader market's one-year forecast for expansion of 23% shows it's about the same on an annualised basis.

In light of this, it's curious that Shanghai Pioneer Holding's P/E sits above the majority of other companies. It seems most investors are ignoring the fairly average recent growth rates and are willing to pay up for exposure to the stock. Although, additional gains will be difficult to achieve as a continuation of recent earnings trends would weigh down the share price eventually.

The Bottom Line On Shanghai Pioneer Holding's P/E

Shares in Shanghai Pioneer Holding have built up some good momentum lately, which has really inflated its P/E. 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 Pioneer Holding currently trades on a higher than expected P/E since its recent three-year growth is only in line with the wider market forecast. When we see average earnings with market-like growth, we suspect the share price is at risk of declining, sending the high P/E lower. Unless the recent medium-term conditions improve, it's challenging to accept these prices as being reasonable.

A lot of potential risks can sit within a company's balance sheet. Our free balance sheet analysis for Shanghai Pioneer Holding with six simple checks will allow you to discover any risks that could be an issue.

If these risks are making you reconsider your opinion on Shanghai Pioneer Holding, 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.