Despite an already strong run, BioNTech SE (NASDAQ:BNTX) shares have been powering on, with a gain of 27% in the last thirty days. Notwithstanding the latest gain, the annual share price return of 5.7% isn't as impressive.

Even after such a large jump in price, BioNTech's price-to-sales (or "P/S") ratio of 8.9x might still make it look like a buy right now compared to the Biotechs industry in the United States, where around half of the companies have P/S ratios above 12.2x and even P/S above 71x are quite common. However, the P/S might be low for a reason and it requires further investigation to determine if it's justified.

How Has BioNTech Performed Recently?

BioNTech hasn't been tracking well recently as its declining revenue compares poorly to other companies, which have seen some growth in their revenues on average. It seems that many are expecting the poor revenue performance to persist, which has repressed the P/S ratio. If you still like the company, you'd be hoping this isn't the case so that you could potentially pick up some stock while it's out of favour.

Keen to find out how analysts think BioNTech's future stacks up against the industry? In that case, our free report is a great place to start.

Do Revenue Forecasts Match The Low P/S Ratio?

In order to justify its P/S ratio, BioNTech would need to produce sluggish growth that's trailing the industry.

In reviewing the last year of financials, we were disheartened to see the company's revenues fell to the tune of 71%. This means it has also seen a slide in revenue over the longer-term as revenue is down 65% in total over the last three years. Accordingly, shareholders would have felt downbeat about the medium-term rates of revenue growth.

Turning to the outlook, the next three years should generate growth of 3.7% each year as estimated by the analysts watching the company. That's shaping up to be materially lower than the 145% each year growth forecast for the broader industry.

In light of this, it's understandable that BioNTech's P/S sits below the majority of other companies. It seems most investors are expecting to see limited future growth and are only willing to pay a reduced amount for the stock.

The Bottom Line On BioNTech's P/S

Despite BioNTech's share price climbing recently, its P/S still lags most other companies. 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.

As expected, our analysis of BioNTech's analyst forecasts confirms that the company's underwhelming revenue outlook is a major contributor to its low P/S. At this stage investors feel the potential for an improvement in revenue isn't great enough to justify a higher P/S ratio. Unless these conditions improve, they will continue to form a barrier for the share price around these levels.

Before you take the next step, you should know about the 1 warning sign for BioNTech that we have uncovered.

If companies with solid past earnings growth is up your alley, you may wish to see this free collection of other companies with strong earnings growth and low P/E ratios.

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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.