Beta
Quantitative Metrics
Beta measures a stock's volatility in relation to the overall market. A beta of 1 means the stock moves in line with the market; above 1 means more volatile; below 1 means less volatile.
High-beta stocks amplify both gains and losses relative to the market. In a bull regime, high-beta accelerates returns; in a bear regime, it accelerates losses.
Further reading: Wikipedia
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