Semtech Corporation (NASDAQ:SMTC) shares have continued their recent momentum with a 28% gain in the last month alone. The annual gain comes to 262% following the latest surge, making investors sit up and take notice.

Even after such a large jump in price, it's still not a stretch to say that Semtech's price-to-sales (or "P/S") ratio of 4.9x right now seems quite "middle-of-the-road" compared to the Semiconductor industry in the United States, where the median P/S ratio is around 4.2x. However, investors might be overlooking a clear opportunity or potential setback if there is no rational basis for the P/S.

What Does Semtech's Recent Performance Look Like?

Semtech could be doing better as its revenue has been going backwards lately while most other companies have been seeing positive revenue growth. It might be that many expect the dour revenue performance to strengthen positively, which has kept the P/S from falling. You'd really hope so, otherwise you're paying a relatively elevated price for a company with this sort of growth profile.

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

Do Revenue Forecasts Match The P/S Ratio?

There's an inherent assumption that a company should be matching the industry for P/S ratios like Semtech's to be considered reasonable.

Taking a look back first, we see that there was hardly any revenue growth to speak of for the company over the past year. Fortunately, a few good years before that means that it was still able to grow revenue by 21% in total over the last three years. Therefore, it's fair to say that revenue growth has been inconsistent recently for the company.

Turning to the outlook, the next year should generate growth of 21% as estimated by the eleven analysts watching the company. With the industry predicted to deliver 40% growth, the company is positioned for a weaker revenue result.

In light of this, it's curious that Semtech's P/S sits in line with the majority of other companies. Apparently many investors in the company are less bearish than analysts indicate and aren't willing to let go of their stock right now. Maintaining these prices will be difficult to achieve as this level of revenue growth is likely to weigh down the shares eventually.

The Bottom Line On Semtech's P/S

Its shares have lifted substantially and now Semtech's P/S is back within range of the industry median. While the price-to-sales ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of revenue expectations.

When you consider that Semtech's revenue growth estimates are fairly muted compared to the broader industry, it's easy to see why we consider it unexpected to be trading at its current P/S ratio. At present, we aren't confident in the P/S as the predicted future revenues aren't likely to support a more positive sentiment for long. Circumstances like this present a risk to current and prospective investors who may see share prices fall if the low revenue growth impacts the sentiment.

Don't forget that there may be other risks. For instance, we've identified 2 warning signs for Semtech that you should be aware of.

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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