Impara / stocks
What a price-to-earnings ratio can compare
The earnings denominator needs careful attention.
Investopedia distinguishes historical earnings from estimates when calculating a share-price multiple. Comparisons are more informative between similar businesses and consistent accounting periods. A high multiple may reflect growth expectations; it does not prove overvaluation by itself. Losses or unusual earnings can make the conventional ratio unhelpful.
Image source: Investopedia
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Original sources and publication references.
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