Cheatsheet of commonly used metrics related to stocks financial analysis

P/E

Price to Earnings ratio = Stock Price ÷ EPS

How much investors are willing to pay for each dollar a company earns

Trailing P/E

Uses actual earnings from the past 12 months

Forward P/E

Uses analysts’ earnings forecasts for the coming year (more speculative)

EPS

Earnings Per Share = Net Profit ÷ Outstanding Shares

How much money a company makes for each share of its stock

PEG

P/E to Growth ratio = P/E ÷ Annual EPS Growth Rate

Provides context for a valuation, better for comparing companies with different growth rates

Generally, a PEG below 1.0 suggests a stock may be undervalued, while anything above 2.0 might indicate overvaluation.