Innodata Inc. (NASDAQ:INOD) shares have continued their recent momentum with a 26% gain in the last month alone. The last 30 days bring the annual gain to a very sharp 27%.

Since its price has surged higher, you could be forgiven for thinking Innodata is a stock to steer clear of with a price-to-sales ratios (or "P/S") of 4.6x, considering almost half the companies in the United States' Professional Services industry have P/S ratios below 1.3x. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/S.

What Does Innodata's Recent Performance Look Like?

Innodata certainly has been doing a good job lately as it's been growing revenue more than most other companies. It seems the market expects this form will continue into the future, hence the elevated P/S ratio. You'd really hope so, otherwise you're paying a pretty hefty price for no particular reason.

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

Do Revenue Forecasts Match The High P/S Ratio?

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

Retrospectively, the last year delivered an exceptional 23% gain to the company's top line. The latest three year period has also seen an excellent 58% overall rise in revenue, aided by its short-term performance. Accordingly, shareholders would have definitely welcomed those medium-term rates of revenue growth.

Turning to the outlook, the next year should generate growth of 38% as estimated by the sole analyst watching the company. Meanwhile, the rest of the industry is forecast to only expand by 5.6%, which is noticeably less attractive.

With this in mind, it's not hard to understand why Innodata's P/S is high relative to its industry peers. Apparently shareholders aren't keen to offload something that is potentially eyeing a more prosperous future.

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

Shares in Innodata have seen a strong upwards swing lately, which has really helped boost its P/S figure. We'd say the price-to-sales ratio's power isn't primarily as a valuation instrument but rather to gauge current investor sentiment and future expectations.

As we suspected, our examination of Innodata's analyst forecasts revealed that its superior revenue outlook is contributing to its high P/S. Right now shareholders are comfortable with the P/S as they are quite confident future revenues aren't under threat. Unless the analysts have really missed the mark, these strong revenue forecasts should keep the share price buoyant.

And what about other risks? Every company has them, and we've spotted 2 warning signs for Innodata (of which 1 is a bit concerning!) you should know about.

If you're unsure about the strength of Innodata's business, why not explore our interactive list of stocks with solid business fundamentals for some other companies you may have missed.

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Have feedback on this article? Concerned about the content? Get in touch with us directly. Alternatively, email editorial-team@simplywallst.com