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Price-to-Sales (P/S) Ratio: How to Value Unprofitable Companies

Formula

Stock Price / Revenue Per Share

What is the Price-to-Sales Ratio?

The Price-to-Sales ratio compares a company’s market capitalization to its total revenue. It tells you how much investors are paying for each dollar of sales. Unlike the P/E ratio, P/S works even for companies that aren’t yet profitable — because every company generating revenue has a P/S ratio, regardless of whether it earns a profit.

A P/S of 2 means investors pay $2 for every $1 of annual revenue. Lower values generally indicate better value, though the “right” P/S varies significantly by industry.

Why it matters for investors

P/S is especially useful for evaluating high-growth companies that reinvest all their revenue into growth and don’t yet show earnings. It’s also harder for management to manipulate than earnings-based metrics, since revenue is a more straightforward number than net income.

Software companies often trade at P/S ratios of 10-20x because of their high margins and recurring revenue. Retailers might trade at 0.5-1x because of thin margins. Always compare P/S within the same industry.

How Stock Analyzer scores it

ScoreP/S RangeWhat it means
ABelow 1Paying less than $1 per $1 of revenue
B1 – 2Reasonably valued relative to sales
C2 – 3Moderate premium to revenue
D3 – 4Elevated valuation
EAbove 4High premium — needs strong growth to justify

What to watch out for

A low P/S ratio isn’t always a bargain. A company with a P/S of 0.3 might have razor-thin margins and declining revenue — meaning it’s cheap for a reason. Always pair P/S with profitability metrics like gross margin and ROIC to understand whether the company can actually convert revenue into profits.

See P/S Ratio in action

Check how popular stocks score on P/S Ratio:

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