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...

Geared Equity Investment (GEI) contracts are an over-the-counter financial derivative product offered by Macquarie Bank, Ltd, to individual investors in Australia and New Zealand as a managed-risk investment in local shares carrying significant tax shield benefits. Upon issuance, a geared equity...

This paper evaluates a nonparametric sign test for abnormal security price performance in event studies. The sign test statistic examined here does not require a symmetrical distribution of security excess returns for correct specification. Sign test performance is compared to a parametric...