Showing 1 - 10 of 5,178
Using a very large data set with more than 9,700 stocks listed on NYSE, AMEX and NASDAQ, we analyze overnight price jumps and report short-term investor overreaction to information shocks and document return reversal and predictability up to five days. For negative and positive overnight jumps,...
Persistent link: https://www.econbiz.de/10014254878
This paper investigates the role of volatility risk on stock return predictability. Using 596 stock options traded at … 2010 we examine the relation between different idiosyncratic volatility measures and expected stock returns for a period … that involves both the dotcom bubble and the recent financial crisis. We first show that implied idiosyncratic volatility …
Persistent link: https://www.econbiz.de/10013046782
This study shows that market volatility affects stock returns both directly and indirectly through its impact on … liquidity provision and the negative relation between market volatility and stock returns arises not only from greater risk … premiums but also greater illiquidity premiums that are associated with higher market volatility. In particular, we show that a …
Persistent link: https://www.econbiz.de/10012934316
The prevailing view of implied volatility comovements, IVC, defined as the correlation between a firm's implied … volatility and the market's implied volatility, is that they indicate the presence of systematic volatility risk to the firm …'s investors. We take a different stance and conjecture that implied volatility comovements can also indicate expected information …
Persistent link: https://www.econbiz.de/10012900702
This paper aims to examine the relation between idiosyncratic volatility (IVOL) and stock returns with full-sample and …
Persistent link: https://www.econbiz.de/10012219258
We consider which readily observable characteristics of individual stocks (e.g., option implied volatility, accounting … predictive influence of option implied volatility in such a framework, which we unsurprisingly find to be an important indicator … of future extreme price movements. However, after controlling for implied volatility levels, other factors, particularly …
Persistent link: https://www.econbiz.de/10013115307
predict future returns, there is a significant relation between volatility spreads and expected stock returns. Portfolio level … the realized-implied volatility spread that can be viewed as a proxy for volatility risk. The results also provide … evidence for a significantly positive link between expected returns and the call-put options' implied volatility spread that …
Persistent link: https://www.econbiz.de/10013116882
This paper examines the relationship between idiosyncratic risk and stock returns in BRICS (Brazil, Russia, India, China, and South Africa) countries by applying parametric and nonparametric approaches. It also explores the idiosyncratic risk puzzle by dividing firms into groups based on...
Persistent link: https://www.econbiz.de/10014307488
in a multivariate stochastic volatility setting, which includes multivariate non-Gaussian Ornstein-Uhlenbeck processes … and their corresponding VRP, while popular (multivariate) stochastic volatility models fail.We finally prove the existence …
Persistent link: https://www.econbiz.de/10013059248
A conditional asset pricing model with risk and uncertainty implies that the time-varying exposures of equity portfolios to the market and uncertainty factors carry positive risk premiums. The empirical results from the size, book-to-market, and industry portfolios as well as individual stocks...
Persistent link: https://www.econbiz.de/10009710603