績效指標
風險調整報酬
Ulcer Performance Index
Definition
Ulcer Performance Index是一種風險調整指標,評估相對於回撤深度和持續時間的報酬表現。與基於標準差的指標不同,它對持續性下跌施以更重的懲罰。
Formula
Where:
- = Portfolio return
- = Risk-free rate
- Ulcer Index = Measure of the depth and duration of drawdowns
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