price volatility. To address this issue, we find a phenomenon, "momentum of jumps" (MoJ), that the predictive ability of the … jump component is persistent when forecasting the oil futures market volatility. Specifically, we propose a strategy that … according to their recent past forecasting performance. The volatility data are based on the intraday prices of West Texas …

country betas are time-varying and that currently, global factors are the dominant source of equity market volatility …

and the tests the volatility, as a factor, that may cause the correlations to change over time. Linear regression … the volatilities of individual markets or their relative volatility causes the change in correlations.The results suggest … market index returns, change over time and the variation in correlations is influenced by the volatility of the emerging …

both conditional volatility and skewness. This has first order implications for managing risks associated with momentum … investing: an adjusted momentum portfolio which hedges in real time for both volatility and skewness risk outperforms benchmark … constant and dynamic volatility-managed momentum strategies. This result holds for different levels of transaction costs and …

-series momentum strategies on turnover and performance. We show that more efficient volatility estimation and price trend detection …

We test the existence of a time-series relationship between the aggregate idiosyncratic volatility and the market index … return at the global level by introducing various global measures of aggregate idiosyncratic volatility. We offer four … definitions of aggregate global idiosyncratic volatility (GIVOL) based on factor models and two other definitions, which are free …

This paper evaluates and compares the ability of alternative option-implied volatility measures to forecast the monthly … realized volatility of crude-oil returns. We find that a corridor implied volatility measure that aggregates information from a …-free volatility expectations, as well as those generated by a high-frequency realized volatility model. In particular, this measure …