Downside Risk
Downside Risk
Risk is the uncertainty of losing money invested in a security. To measure the risk or volatility of security we use Standard deviation. Standard deviation measures risk based on returns of security that are positive as well as negative. Therefore Standard deviation measures upside risk as well as downside risk. As there is a risk and return trade-off, we say an investor should be compensated in terms of returns for the risk that he takes. But why would an investor be paid for the upside deviation, an investor should be worried about the downside deviation(risk)? (more…)