China Aerospace International Holdings Limited (HKG:31) shares have had a really impressive month, gaining 27% after a shaky period beforehand. Unfortunately, despite the strong performance over the last month, the full year gain of 2.9% isn't as attractive.

Even after such a large jump in price, it's still not a stretch to say that China Aerospace International Holdings' price-to-sales (or "P/S") ratio of 0.3x right now seems quite "middle-of-the-road" compared to the Electronic industry in Hong Kong, where the median P/S ratio is around 0.4x. While this might not raise any eyebrows, if the P/S ratio is not justified investors could be missing out on a potential opportunity or ignoring looming disappointment.

What Does China Aerospace International Holdings' Recent Performance Look Like?

For instance, China Aerospace International Holdings' receding revenue in recent times would have to be some food for thought. One possibility is that the P/S is moderate because investors think the company might still do enough to be in line with the broader industry in the near future. If not, then existing shareholders may be a little nervous about the viability of the share price.

Do Revenue Forecasts Match The P/S Ratio?

In order to justify its P/S ratio, China Aerospace International Holdings would need to produce growth that's similar to the industry.

Taking a look back first, the company's revenue growth last year wasn't something to get excited about as it posted a disappointing decline of 6.1%. The last three years don't look nice either as the company has shrunk revenue by 16% in aggregate. So unfortunately, we have to acknowledge that the company has not done a great job of growing revenue over that time.

Weighing that medium-term revenue trajectory against the broader industry's one-year forecast for expansion of 22% shows it's an unpleasant look.

With this in mind, we find it worrying that China Aerospace International Holdings' P/S exceeds that of its industry peers. Apparently many investors in the company are way less bearish than recent times would indicate and aren't willing to let go of their stock right now. There's a good chance existing shareholders are setting themselves up for future disappointment if the P/S falls to levels more in line with the recent negative growth rates.

The Final Word

China Aerospace International Holdings appears to be back in favour with a solid price jump bringing its P/S back in line with other companies in the industry While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

We find it unexpected that China Aerospace International Holdings trades at a P/S ratio that is comparable to the rest of the industry, despite experiencing declining revenues during the medium-term, while the industry as a whole is expected to grow. When we see revenue heading backwards in the context of growing industry forecasts, it'd make sense to expect a possible share price decline on the horizon, sending the moderate P/S lower. If recent medium-term revenue trends continue, it will place shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

Don't forget that there may be other risks. For instance, we've identified 1 warning sign for China Aerospace International Holdings that you should be aware of.

If companies with solid past earnings growth is up your alley, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.