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Why Does PER Matter?
A practical way to understand what the price-to-earnings ratio is really asking.
The price-to-earnings ratio is simple to calculate. Its usefulness comes from the question behind the number: how much expectation is already priced into a business?
Price is a claim on future earnings
A high multiple can reflect durable growth, while a low multiple can reflect risk the market has already identified. The ratio is a starting point, not a verdict.
Rates change the value of future cash flows. Read why rates affect stock prices to connect the idea to markets.
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