tiger tradeA model describing the relationship between risk and expected return. It serves as a model for the pricing of risky securities. CAPM says that the expected return of a security or a portfolio equals the rate on a risk-free security plus a risk premium. If this expected return does not meet or beat the required return then the investment should not be undertaken.
用以说明风险与预期回报之间关系的模型， 可用作为有风险证券定价。资本资产定价模型的理论为证券或投资组合的预期回报相等于无风险证券的回报率+风险溢价。若预期回报不能达到或超越要求回报，则不应进行这项投资
计算方法：
其中：
= 无风险率
= 证券的贝塔系数
= 预期市场回报
未经允许不得转载：tiger trade » Capital Asset Pricing Model (CAPM)资本资产计价模型
