. The results indicate that persistence is higher at lower frequencies, for both returns and their volatility. This is true …This paper investigates persistence in financial time series at three different frequencies (daily, weekly and monthly …

, stock market volatility, and geopolitical risks. In particular, our aim is to determine whether these forms of uncertainty … volatility, which impact negatively in share prices, both in the short and long term. Regarding Brazil, the global uncertainty in …

focuses on volatility, where volatility is derived from a GARCH model. The results suggest that models which account for …

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

for each country, and investigates the spillover effects on the country-level stock market idiosyncratic volatility across … on the country-level stock market idiosyncratic volatility. We find that that the effect of developed … idiosyncratic volatility continues when we utilize various economic, financial, and political risk factors as controls, as well as …

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 …

returns and the equity variance premium. We evaluate a plethora of state-of-the-art volatility forecasting models to produce …

returns and the equity variance premium. We evaluate a plethora of state-of-the-art volatility forecasting models to produce …