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 …

This paper presents a comprehensive study of the interactions among returns, volatility, and trading volume between the … foreign price volatility and trading volume on correlations between foreign and domestic stock returns, the paper aims to … transmission of stock returns and volatility. Major findings are three-fold: (1) contemporaneous correlations of stock returns …

Kingdom and Japan reinforces the notion that the volatility seen in the 2008 crisis was relatively short-lived. While there is … the United States to show how stock volatility has changed over time. It also uses various measures of volatility implied … 2008. This episode was associated with historically high levels of stock market volatility, particularly among financial …

This paper extends the class of stochastic volatility diffusions for asset returns to encompass Poisson jumps of time … as well as stochastic volatility with a pronounced negative relationship between return and volatility innovations. We …

volatility through time. We are particularly interested in understanding whether periods of high volatility are correlated across … countries. The analysis uses both on univariate and bivariate switching volatility models. Our results do not rely on the … correlation coefficients, but on the co-dependence of volatility regimes. The results indicate that high-volatility episodes are …

The recent volatility of stock prices has caused many people to conclude that investors have become irrational in … valuing at least some stocks. This paper investigates the behavior of the volatility of stocks on the Nasdaq, which tend to be … portfolio. It also analyzes the relation of the unusual Nasdaq volatility to the hot IPO market in 1998 and 1999. The factor …

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 … portfolio diversification when the market is most volatile. Our findings are broadly consistent with a latent volatility fact or …

This paper uses a disaggregated approach to study the volatility of common stocks at the market, industry, and firm … levels. Over the period 1962-97 there has been a noticeable increase in firm-level volatility relative to market volatility …, while the number of stocks needed to achieve a given level of diversification has increased. All the volatility measures …