You may think that with a price-to-sales (or "P/S") ratio of 0.3x Green Plains Inc. (NASDAQ:GPRE) is a stock worth checking out, seeing as almost half of all the Oil and Gas companies in the United States have P/S ratios greater than 1.7x and even P/S higher than 4x aren't out of the ordinary. Although, it's not wise to just take the P/S at face value as there may be an explanation why it's limited.

What Does Green Plains' Recent Performance Look Like?

Recent times haven't been great for Green Plains as its revenue has been falling quicker than most other companies. The P/S ratio is probably low because investors think this poor revenue performance isn't going to improve at all. So while you could say the stock is cheap, investors will be looking for improvement before they see it as good value. If not, then existing shareholders will probably struggle to get excited about the future direction of the share price.

How Is Green Plains' Revenue Growth Trending?

In order to justify its P/S ratio, Green Plains would need to produce sluggish growth that's trailing 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 26%. This has erased any of its gains during the last three years, with practically no change in revenue being achieved in total. So it appears to us that the company has had a mixed result in terms of growing revenue over that time.

Turning to the outlook, the next three years should generate growth of 9.0% per year as estimated by the eight analysts watching the company. Meanwhile, the rest of the industry is forecast to only expand by 3.6% each year, which is noticeably less attractive.

With this information, we find it odd that Green Plains is trading at a P/S lower than the industry. It looks like most investors are not convinced at all that the company can achieve future growth expectations.

The Final Word

It's argued the price-to-sales ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

Green Plains' analyst forecasts revealed that its superior revenue outlook isn't contributing to its P/S anywhere near as much as we would have predicted. When we see strong growth forecasts like this, we can only assume potential risks are what might be placing significant pressure on the P/S ratio. While the possibility of the share price plunging seems unlikely due to the high growth forecasted for the company, the market does appear to have some hesitation.

You should always think about risks. Case in point, we've spotted 1 warning sign for Green Plains you should be aware of.

It's important to make sure you look for a great company, not just the first idea you come across. So if growing profitability aligns with your idea of a great company, take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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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.