PortfolioMetrics
Risk Metrics
Drawdown Metrics

Max Drawdown

Definition

The maximum drawdown (MDD) is the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

Formula

Maximum Drawdown=Peak ValueTrough ValuePeak Value\text{Maximum Drawdown} = \frac{\text{Peak Value} - \text{Trough Value}}{\text{Peak Value}}

where the Peak Value is the highest portfolio value, and the Trough Value is the lowest portfolio value during a drawdown period.

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