A rapidly growing literature has documented important improvements in financial return volatility measurement and … return volatility. In an application to the DM/$ exchange rate, the S&P500 market index, and the 30-year U.S. Treasury bond … non-jump movements in a simple but sophisticated volatility forecasting model, we find that almost all of the …

the relationships in detail. Among other things, we show that: (a) Volatility dependence produces sign dependence, so long … as expected returns are nonzero, so that one should expect sign dependence, given the overwhelming evidence of volatility … of sign dependence and volatility dependence; (c) Sign dependence is not likely to be found via analysis of sign …

forecasting of daily and lower frequency volatility and return distributions. Most procedures for modeling and forecasting … ARCH or stochastic volatility models, which often perform poorly at intraday frequencies. Use of realized volatility … variation, we formally develop the links between the conditional covariancematrix and the concept of realized volatility. Next …

Volatility permeates modern financial theories and decision making processes. As such, accurate measures and good … forecasts of future volatility are critical for the implementation and evaluation of asset pricing theories. In response to this …, a voluminous literature has emerged for modeling the temporal dependencies in financial market volatility at the daily …

tackle several measurement issues assessing a plethora of state-of-the-art volatility forecasting models. We then examine the …

This paper reviews the literature on idiosyncratic equity volatility since the publication of "Have Individual Stocks …, Gharghori, and Zhong and by Leippold and Svaton, and we present volatility estimates through the end of 2021, significantly … period, idiosyncratic volatility declined thereafter; but sharp increases in market, industry, and idiosyncratic volatility …

Stocks with recent past high idiosyncratic volatility have low future average returns around the world. Across 23 … developed markets, the difference in average returns between the extreme quintile portfolios sorted on idiosyncratic volatility … higher moments. There is strong comovement in the low returns to high idiosyncratic volatility stocks across countries …

the relation between exchange rate variability and stock return volatility and by decomposing this relation into … rates, we find a significant increase in the volatility of U.S. multinational monthly stock returns corresponding to the … period of increased exchange rate variability. This increase in stock return volatility is also significant relative to the …

inflation process is well described by an unobserved component trend-cycle model with stochastic volatility or, equivalently, an …