Below 1x: low
Normal for low-margin businesses (retail, distribution) or a sign of distress. Margin context decides which.
Definition
What is the price-to-sales (P/S) ratio?
The price-to-sales (P/S) ratio is a company's market capitalization divided by its annual revenue (equivalently, share price divided by sales per share). Because it uses revenue rather than profit, it can value companies that aren't yet profitable, early-stage growth, turnarounds, or cyclicals at a trough, where the P/E ratio is negative or meaningless.
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Short answer
P/S is most useful where earnings are temporarily absent or distorted. But revenue says nothing about whether it's profitable: a low P/S on a money-losing business isn't cheap. Always read it next to the net margin.
How to read the P/S ratio
1-3x: moderate
A typical range for profitable companies with average margins.
3-10x: high
Usually high-margin software or strong brands. Only justified by fat margins plus durable growth.
Above 10x: very rich
Prices years of high-margin growth. The bar for disappointment is low, any growth stumble hurts.
P/S is meaningless without margins
A software firm with a $5B market cap on $500M of revenue trades at a P/S of 10. That looks expensive, but if it earns 30 percent net margins and grows 25 percent a year, it's defensible. A grocery chain at the same P/S of 10 would be absurd: at roughly 2 percent margins it would imply a P/E in the hundreds.
The fix is simple: pair P/S with net margin. A high P/S on a high-margin business can be reasonable; the same multiple on a thin-margin one is a red flag. As margins expand or contract, the 'fair' P/S moves with them.
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Related
- What is the P/E ratio? - the earnings-based multiple to use once a company is profitable.
- What is net profit margin? - the number that tells you whether a given P/S is reasonable.
- What is gross margin? - the pricing-power signal behind a high-margin, high-P/S business.
- What is enterprise value? - for the debt-adjusted EV/Sales cousin of this ratio.
See revenue multiples in context
invest-like pairs valuation multiples with margins, growth, and returns on capital on every stock, so a low P/S can't disguise an unprofitable business.
Educational only. invest-like is not a registered investment adviser; nothing here is personalised investment advice. Always do your own research and consider your individual circumstances.