V2EX sortino

Sortino

释义 Definition

Sortino(常指 Sortino ratio,索提诺比率):一种风险调整后收益指标,用“超额收益”除以下行风险(只考虑负收益波动),常用于评估投资或策略在避免亏损方面的表现。也可作为人名/姓氏出现。

发音 Pronunciation

/ srtino /

例句 Examples

The fund has a higher Sortino ratio than the benchmark.
这只基金的索提诺比率高于基准指数。

Because it penalizes only downside volatility, the Sortino ratio can be more informative than the Sharpe ratio for strategies with occasional large gains.
由于它只惩罚下行波动,索提诺比率对那些偶尔出现大幅盈利的策略而言,可能比夏普比率更有参考价值。

词源 Etymology

“Sortino ratio”以金融学者Frank A. Sortino(弗兰克A索提诺)命名,用来改进仅用总体波动衡量风险的做法,强调“投资者更在意亏损而非上涨波动”的直觉,因此引入“下行偏差(downside deviation)”作为风险度量。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Frank A. Sortino & Robert van der Meer:《Downside Risk: Capturing What’s at Stake in Investment Situations》(讨论下行风险与相关衡量方法,常提及 Sortino 框架与比率)
  • Frank A. Sortino 等:关于“Sortino Ratio / downside deviation”的学术论文与研究报告(常见于投资绩效评估与风险管理领域期刊)
  • CFA/投资分析类教材与课程资料(在“风险调整后绩效指标”章节中常与 Sharpe ratio 并列出现)
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