Valuing Unprofitable Growth

Many fast-growing companies have little or no profit yet, so the P/E ratio is useless. Investors lean on price-to-sales and long-term margin assumptions instead. Here is how that works and how to avoid paying any price for a good story.

Why P/E fails

A company that loses money has no meaningful P/E, and one with tiny profits can show a P/E in the hundreds or thousands. In our data, CrowdStrike’s trailing P/E was in the thousands because its reported profit was barely above zero. That number tells you almost nothing.

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