We investigate the effectiveness of several well-known parametric and non-parametric event study test statistics with security price data from the major Asia-Pacific security markets. Extensive Monte Carlo simulation experiments with actual daily security returns data reveal that the parametric...

We examine the effect of options trading volume on the stock price response to earnings announcements over the period 1996-2007. Contrary to previous studies, we find no significant difference in the immediate stock price response to earnings information announcements in samples split between...

We examine the effect of options trading volume on the stock price response to earnings announcements over the period 1996–2007. Contrary to prior studies, we find no significant difference in the immediate stock price response to earnings information announcements between firms with listed...

This article proposes the generalized lambda distribution as a tool for modeling nonlognormal security price distributions. Known best as a facile model for generating random variables with a broad range of skewness and kurtosis values, the generalized lambda distribution has potential financial...

We examine the forecast quality of Chicago Board Options Exchange (CBOE) implied volatility indexes based on the Nasdaq 100 and Standard and Poor's 100 and 500 stock indexes. We find that the forecast quality of CBOE implied volatilities for the S&P 100 (VXO) and S&P 500 (VIX) has improved since...