tangent portfolio是什么
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The CAPM is a model for pricing an individual security or portfolio.
:Please surf: wiki.mbalib.com/wiki/ ( 资本资产定价模型 )
Tangency Portfolio=Modern portfolio theory states that
there is an optimal combination of risky assets that will maximize
return at each level of risk. The tangency portfolio combines this
optimal combination of risky assets with a risk-free asset.
Market Portfolio=The market portfolio is a portfolio consisting of all securities where
the proportion invested in each security correspons to its relative
market value. The relative market value of a security is simply equal
to the aggreagte market value of the security divided by the sum of the
aggregate market values of all securities.
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