Unfortunately for some shareholders, the Ko Yo Chemical (Group) Limited (HKG:827) share price has dived 27% in the last thirty days, prolonging recent pain. Instead of being rewarded, shareholders who have already held through the last twelve months are now sitting on a 47% share price drop.

In spite of the heavy fall in price, there still wouldn't be many who think Ko Yo Chemical (Group)'s price-to-sales (or "P/S") ratio of 0.1x is worth a mention when the median P/S in Hong Kong's Chemicals industry is similar at about 0.4x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

How Has Ko Yo Chemical (Group) Performed Recently?

For instance, Ko Yo Chemical (Group)'s 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 you like the company, you'd at least be hoping this is the case so that you could potentially pick up some stock while it's not quite in favour.

How Is Ko Yo Chemical (Group)'s Revenue Growth Trending?

Ko Yo Chemical (Group)'s P/S ratio would be typical for a company that's only expected to deliver moderate growth, and importantly, perform in line with the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 9.4%. However, a few very strong years before that means that it was still able to grow revenue by an impressive 38% in total over the last three years. Accordingly, while they would have preferred to keep the run going, shareholders would definitely welcome the medium-term rates of revenue growth.

Comparing the recent medium-term revenue trends against the industry's one-year growth forecast of 33% shows it's noticeably less attractive.

With this information, we find it interesting that Ko Yo Chemical (Group) is trading at a fairly similar P/S compared to the industry. Apparently many investors in the company are less bearish than recent times would indicate and aren't willing to let go of their stock right now. Maintaining these prices will be difficult to achieve as a continuation of recent revenue trends is likely to weigh down the shares eventually.

The Bottom Line On Ko Yo Chemical (Group)'s P/S

Ko Yo Chemical (Group)'s plummeting stock price has brought its P/S back to a similar region as the rest of the industry. 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've established that Ko Yo Chemical (Group)'s average P/S is a bit surprising since its recent three-year growth is lower than the wider industry forecast. When we see weak revenue with slower than industry growth, we suspect the share price is at risk of declining, bringing the P/S back in line with expectations. If recent medium-term revenue trends continue, the probability of a share price decline will become quite substantial, placing shareholders at risk.

You should always think about risks. Case in point, we've spotted 1 warning sign for Ko Yo Chemical (Group) you should be aware of.

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.