There wouldn't be many who think Vtech Holdings Limited's (HKG:303) price-to-earnings (or "P/E") ratio of 9.5x is worth a mention when the median P/E in Hong Kong is similar at about 9x. While this might not raise any eyebrows, if the P/E ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

As an illustration, earnings have deteriorated at Vtech Holdings over the last year, which is not ideal at all. One possibility is that the P/E is moderate because investors think the company might still do enough to be in line with the broader market in the near future. If not, then existing shareholders may be a little nervous about the viability of the share price.

View our latest analysis for Vtech Holdings

Is There Some Growth For Vtech Holdings?

The only time you'd be comfortable seeing a P/E like Vtech Holdings' is when the company's growth is tracking the market closely.

Retrospectively, the last year delivered a frustrating 9.6% decrease to the company's bottom line. The last three years don't look nice either as the company has shrunk EPS by 18% in aggregate. Accordingly, shareholders would have felt downbeat about the medium-term rates of earnings growth.

Weighing that medium-term earnings trajectory against the broader market's one-year forecast for expansion of 23% shows it's an unpleasant look.

With this information, we find it concerning that Vtech Holdings is trading at a fairly similar P/E to the market. It seems most investors are ignoring the recent poor growth rate and are hoping for a turnaround in the company's business prospects. Only the boldest would assume these prices are sustainable as a continuation of recent earnings trends is likely to weigh on the share price eventually.

What We Can Learn From Vtech Holdings' 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.

Our examination of Vtech Holdings revealed its shrinking earnings over the medium-term aren't impacting its P/E as much as we would have predicted, given the market is set to grow. When we see earnings heading backwards and underperforming the market forecasts, we suspect the share price is at risk of declining, sending the moderate P/E lower. If recent medium-term earnings trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

There are also other vital risk factors to consider and we've discovered 2 warning signs for Vtech Holdings (1 is a bit concerning!) that you should be aware of before investing here.

If you're unsure about the strength of Vtech Holdings' business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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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.