It's not a stretch to say that Shanghai Dragon Corporation's (SHSE:600630) price-to-sales (or "P/S") ratio of 1.9x right now seems quite "middle-of-the-road" for companies in the Luxury industry in China, where the median P/S ratio is around 1.5x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

What Does Shanghai Dragon's Recent Performance Look Like?

Revenue has risen at a steady rate over the last year for Shanghai Dragon, which is generally not a bad outcome. It might be that many expect the respectable revenue performance to only match most other companies over the coming period, which has kept the P/S from rising. If not, then at least existing shareholders probably aren't too pessimistic about the future direction of the share price.

Do Revenue Forecasts Match The P/S Ratio?

The only time you'd be comfortable seeing a P/S like Shanghai Dragon's is when the company's growth is tracking the industry closely.

Retrospectively, the last year delivered a decent 4.8% gain to the company's revenues. Ultimately though, it couldn't turn around the poor performance of the prior period, with revenue shrinking 42% in total over the last three years. Therefore, it's fair to say the revenue growth recently has been undesirable for the company.

In contrast to the company, the rest of the industry is expected to grow by 14% over the next year, which really puts the company's recent medium-term revenue decline into perspective.

With this information, we find it concerning that Shanghai Dragon is trading at a fairly similar P/S compared to the industry. 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 Bottom Line On Shanghai Dragon's P/S

Typically, we'd caution against reading too much into price-to-sales ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

We find it unexpected that Shanghai Dragon 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. Even though it matches the industry, we're uncomfortable with the current P/S ratio, as this dismal revenue performance is unlikely to support a more positive sentiment for long. Unless the recent medium-term conditions improve markedly, investors will have a hard time accepting the share price as fair value.

It's always necessary to consider the ever-present spectre of investment risk. We've identified 1 warning sign with Shanghai Dragon, and understanding should be part of your investment process.

Of course, profitable companies with a history of great earnings growth are generally safer bets. So you may wish to see this free collection of other companies that have reasonable P/E ratios and have grown earnings strongly.

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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.