Last updated: January 19, 2026
The Price-to-Earnings (P/E) ratio divides stock price by earnings per share. It shows how much investors pay per dollar of earnings.
Higher P/E suggests investors expect higher growth. Tech stocks often have high P/Es; utilities have low P/Es.
Compare P/E within the same industry. A "cheap" P/E might indicate problems, not value.
Understanding p/e ratio helps you make better investment decisions and plan for taxes. Explore related concepts below to deepen your knowledge.
The formula is simple: Current Stock Price divided by Earnings Per Share (EPS). If a stock is $100 and earns $5 per year, its P/E is 20 ($100 / $5).
There is no single 'good' ratio. It varies by industry. Technology companies often have higher P/Es (25+) due to growth expectations, while mature utilities might have lower P/Es (15 or less).
Trailing P/E uses earnings from the last 12 months. Forward P/E uses analyst projections for the next 12 months, which is speculative but helps value future growth.
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