ELL Environmental Holdings Limited (HKG:1395) shareholders are no doubt pleased to see that the share price has bounced 30% in the last month, although it is still struggling to make up recently lost ground. Still, the 30-day jump doesn't change the fact that longer term shareholders have seen their stock decimated by the 57% share price drop in the last twelve months.

Even after such a large jump in price, it's still not a stretch to say that ELL Environmental Holdings' price-to-sales (or "P/S") ratio of 0.5x right now seems quite "middle-of-the-road" compared to the Water Utilities industry in Hong Kong, where the median P/S ratio is around 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 ELL Environmental Holdings Performed Recently?

It looks like revenue growth has deserted ELL Environmental Holdings recently, which is not something to boast about. It might be that many expect the uninspiring revenue performance to only match most other companies at best over the coming period, which has kept the P/S from rising. If you like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's not quite in favour.

Is There Some Revenue Growth Forecasted For ELL Environmental Holdings?

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

Taking a look back first, we see that there was hardly any revenue growth to speak of for the company over the past year. Still, the latest three year period has seen an excellent 103% overall rise in revenue, in spite of its uninspiring short-term performance. Accordingly, shareholders will be pleased, but also have some questions to ponder about the last 12 months.

This is in contrast to the rest of the industry, which is expected to grow by 12% over the next year, materially lower than the company's recent medium-term annualised growth rates.

In light of this, it's curious that ELL Environmental Holdings' P/S sits in line with the majority of other companies. Apparently some shareholders believe the recent performance is at its limits and have been accepting lower selling prices.

What Does ELL Environmental Holdings' P/S Mean For Investors?

ELL Environmental Holdings' stock has a lot of momentum behind it lately, which has brought its P/S level with the rest of the industry. Generally, our preference is to limit the use of the price-to-sales ratio to establishing what the market thinks about the overall health of a company.

To our surprise, ELL Environmental Holdings revealed its three-year revenue trends aren't contributing to its P/S as much as we would have predicted, given they look better than current industry expectations. When we see strong revenue with faster-than-industry growth, we can only assume potential risks are what might be placing pressure on the P/S ratio. At least the risk of a price drop looks to be subdued if recent medium-term revenue trends continue, but investors seem to think future revenue could see some volatility.

Don't forget that there may be other risks. For instance, we've identified 2 warning signs for ELL Environmental Holdings (1 makes us a bit uncomfortable) you should be aware of.

If these risks are making you reconsider your opinion on ELL Environmental Holdings, explore our interactive list of high quality stocks to get an idea of what else is out there.

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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.