$\sqrt { \mathbb{E}[(X-\mu)^{2}]1_{{X\leq\mu}} }$ $\sqrt{\sum (X - \mu) ^2 1_{{X\leq\mu}}}$
Downside Risk | Glossary of Financial and Securities Terms | Daiwa Securities
The likelihood of losses on assets held. This is for those who do not understand [probability distribution
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