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+ | ====== 最大回撤 ====== | ||
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+ | 最大回撤(Maximum Drawdown, MDD) 是指在选定周期内,一个投资组合从峰值到下一个新的峰值出现之前的谷底之间的损失。最大回撤用来描述投资组合子在选定周期内的贬值风险。 | ||
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+ | ===== 计算公式 ===== | ||
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+ | 设谷底为Trough Value,峰值为Peak Value,则最大回撤(%): | ||
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+ | $$ | ||
+ | MDD=\frac{\textit{Trough Value}-\textit{Peak Value}}{\textit{Peak Value}} | ||
+ | $$ | ||
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+ | ===== 应用 ===== | ||
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+ | ===== 参考 ===== | ||
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+ | * https://www.investopedia.com/terms/m/maximum-drawdown-mdd.asp | ||