Sortino Surgery: 3 Moves to Cut Your Downside Without Touching Your Upside
Most investors treat risk like a single number. One score. One verdict. Portfolio goes up seven percent, down seven percent, and the math says both moves were equally “risky.” This is the logic of standard deviation, and it is, to put it politely, incomplete. The Sortino ratio exists because someone finally asked an obvious question: […]
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