绩效指标
风险调整收益

Sortino Ratio

Definition

Sortino Ratio是一种风险调整指标,通过仅使用负偏差而非总风险来衡量投资相对于下行风险的超额收益。Sortino Ratio越高表明风险调整后的业绩越好。

Formula

Sortino Ratio=RpRfσd\text{Sortino Ratio} = \frac{R_p - R_f}{\sigma_d}

Where:

  • RpR_p = Portfolio return
  • RfR_f = Risk-free rate
  • σd\sigma_d = Downside deviation (standard deviation of negative portfolio returns)

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Sortino Ratio Definition & Formula · PortfolioMetrics