When you see that almost half of the companies in the Infrastructure industry in China have price-to-sales ratios (or "P/S") below 2.6x, Shanghai International Airport Co., Ltd. (SHSE:600009) looks to be giving off strong sell signals with its 6.6x P/S ratio. However, the P/S might be quite high for a reason and it requires further investigation to determine if it's justified.
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How Shanghai International Airport Has Been Performing
Recent times have been advantageous for Shanghai International Airport as its revenues have been rising faster than most other companies. The P/S is probably high because investors think this strong revenue performance will continue. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.
If you'd like to see what analysts are forecasting going forward, you should check out our free report on Shanghai International Airport.What Are Revenue Growth Metrics Telling Us About The High P/S?
The only time you'd be truly comfortable seeing a P/S as steep as Shanghai International Airport's is when the company's growth is on track to outshine the industry decidedly.
If we review the last year of revenue growth, the company posted a terrific increase of 57%. The latest three year period has also seen an excellent 237% overall rise in revenue, aided by its short-term performance. Therefore, it's fair to say the revenue growth recently has been superb for the company.
Shifting to the future, estimates from the analysts covering the company suggest revenue should grow by 13% per year over the next three years. With the industry predicted to deliver 13% growth each year, the company is positioned for a comparable revenue result.
With this information, we find it interesting that Shanghai International Airport is trading at a high P/S compared to the industry. Apparently many investors in the company are more bullish than analysts indicate and aren't willing to let go of their stock right now. Although, additional gains will be difficult to achieve as this level of revenue growth is likely to weigh down the share price eventually.
What We Can Learn From Shanghai International Airport's P/S?
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.
Seeing as its revenues are forecast to grow in line with the wider industry, it would appear that Shanghai International Airport currently trades on a higher than expected P/S. When we see revenue growth that just matches the industry, we don't expect elevates P/S figures to remain inflated for the long-term. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.
Many other vital risk factors can be found on the company's balance sheet. Take a look at our free balance sheet analysis for Shanghai International Airport with six simple checks on some of these key factors.
If you're unsure about the strength of Shanghai International Airport's 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.