基準比較指標

Alpha

Definition

Alpha代表投資組合超出基於其Beta和基準(市場)報酬所預期水準的超額報酬。

Formula

α=Rp(βRb)\alpha = R_p - (\beta \cdot R_b)

where RpR_p is the portfolio actual return, RbR_b is the benchmark (market) return, and β\beta is the portfolio beta.

Related Metrics

Explore other metrics in the 基準比較指標 category

幫助
Alpha Definition & Formula · PortfolioMetrics