GrowGeneration Corp. (NASDAQ:GRWG) shareholders are no doubt pleased to see that the share price has bounced 26% in the last month, although it is still struggling to make up recently lost ground. Not all shareholders will be feeling jubilant, since the share price is still down a very disappointing 23% in the last twelve months.

Although its price has surged higher, you could still be forgiven for feeling indifferent about GrowGeneration's P/S ratio of 0.7x, since the median price-to-sales (or "P/S") ratio for the Specialty Retail industry in the United States is also close to 0.4x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

What Does GrowGeneration's Recent Performance Look Like?

GrowGeneration could be doing better as its revenue has been going backwards lately while most other companies have been seeing positive revenue growth. One possibility is that the P/S ratio is moderate because investors think this poor revenue performance will turn around. You'd really hope so, otherwise you're paying a relatively elevated price for a company with this sort of growth profile.

Do Revenue Forecasts Match The P/S Ratio?

In order to justify its P/S ratio, GrowGeneration would need to produce growth that's similar to 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 19%. This has soured the latest three-year period, which nevertheless managed to deliver a decent 17% overall rise in revenue. So we can start by confirming that the company has generally done a good job of growing revenue over that time, even though it had some hiccups along the way.

Turning to the outlook, the next year should bring diminished returns, with revenue decreasing 6.4% as estimated by the six analysts watching the company. That's not great when the rest of the industry is expected to grow by 4.1%.

With this in consideration, we think it doesn't make sense that GrowGeneration's P/S is closely matching its industry peers. Apparently many investors in the company reject the analyst cohort's pessimism and aren't willing to let go of their stock right now. Only the boldest would assume these prices are sustainable as these declining revenues are likely to weigh on the share price eventually.

What We Can Learn From GrowGeneration's P/S?

GrowGeneration appears to be back in favour with a solid price jump bringing its P/S back in line with other companies in 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.

It appears that GrowGeneration currently trades on a higher than expected P/S for a company whose revenues are forecast to decline. When we see a gloomy outlook like this, our immediate thoughts are that the share price is at risk of declining, negatively impacting P/S. If the declining revenues were to materialize in the form of a declining share price, shareholders will be feeling the pinch.

And what about other risks? Every company has them, and we've spotted 1 warning sign for GrowGeneration you should know about.

If strong companies turning a profit tickle your fancy, then you'll want to check out this free list of interesting companies that trade on a low P/E (but have proven they can grow earnings).

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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.