daily exchange rate volatility and correlation, covering an entire decade. In addition to being model-free, our estimates …-inducing volatility transformation, high contemporaneous correlation across volatilities, high correlation between correlation and …

intraday data and nonparametric volatility measures, along with a new jump detection technique and appropriate conditional … alleviate microstructure frictions for realized volatility estimation. Size and power of the procedure are explored through …

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 …

Volatility has been one of the most active and successful areas of research in time series econometrics and economic … empirical insights to emerge from this burgeoning literature, with a distinct focus on forecasting applications. Volatility is … inherently latent, and Section 1 begins with a brief intuitive account of various key volatility concepts. Section 2 then …

We selectively survey, unify and extend the literature on realized volatility of financial asset returns. Rather than … focusing exclusively on characterizing the properties of realized volatility, we progress by examining economically interesting … functions of realized volatility, namely realized betas for equity portfolios, relating them both to their underlying realized …

further dialog between the academic and practitioner communities, hopefully stimulating the development of improved market …

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 …

portfolio diversification when the market is most volatile. Our findings are broadly consistent with a latent volatility fact or …We exploit direct model-free measures of daily equity return volatility and correlation obtained from high …, solidify and extend existing characterizations of stock return volatility and correlation. We find that the unconditional …

This paper develops mew robust inference procedures for analyzing the intraday return volatility patterns that …, Lyons, and Melvin (1998) (ILM) argue that this deregulation resulted in a highly significant shift in the volatility pattern …