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P/E and forward P/E: ask what is in the denominator

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AI-assisted source check by Codex, 2026-10-08. Human editorial review not recorded.

The idea

Trailing P/E divides a share price by earnings per share for the last twelve months. Forward P/E uses an earnings estimate for a specified period such as FY1, FY2 or the next twelve months. Reported GAAP earnings and adjusted estimates are different bases.

Illustrative example

For a fictional company, a USD 50 price and USD 2 trailing EPS give 25×. A hypothetical USD 3 forward estimate gives 16.67×. Neither number describes Intuit or any company in this portal.

Limits

Estimates can change. Negative or zero EPS produces N/M here; missing verified inputs produce —. Currency, share class, splits and period must match. A low multiple alone does not establish value or low risk.

Sources

Investor.gov · P/E definition