Examlex
Explain why we need to square deviations before calculating the variance of a variable.
Beta
A measure of a security's or portfolio's volatility, or systematic risk, in comparison to the market as a whole.
Risk-free Rate
The risk-free rate is the theoretical return on an investment with zero risk, often represented by the yield on short-term government securities.
CAPM
Capital Asset Pricing Model; a model that describes the relationship between systematic risk and expected return for assets.
Holding Period
The duration of time an investment is held before it is sold, impacting the capital gains tax implications.
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