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We introduce a new class of momentum strategies, the risk-adjusted time series momentum (RAMOM) strategies, which are … how these volatility measures can be used for risk management. We find that momentum risk management significantly … increases Sharpe ratios, but at the same time may lead to more pronounced negative skewness and tail risk. Furthermore, momentum …
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the failure of financial modeling. More specifically, current risk models have failed to properly assess the risks … over prevailing models for evaluating stock market risk exposure during distressed market periods. -- ARMA-GARCH model ; α …-stable distribution ; tempered stable distribution ; value-at-risk (VaR) ; average value-at-risk (AVaR) …
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This paper employs weighted least squares to examine the risk-return relation by applying high-frequency data from four … returns and expected risk. However, by using quantile regressions, we find that the risk-return relation moves from negative … to positive as the returns’ quantile increases. A positive risk-return relation is valid only in the upper quantiles. The …
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