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1. Beta (finance)

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   Beta ($\beta$), in finance, is a statistical measure of the volatility, or systematic risk, of a specific security or portfolio in comparison to the market as a whole. It quantifies the sensitivity of an asset's returns to movements in the overall market returns. A beta greater than 1.0 indicates that the asset is theoretically more volatile than the market, while a beta less than 1.0 suggests lower volatility relative to the market benchmark, ofte…