Hallerbach (2004) derives an approximation formula to compute a Black-Scholes implied volatility. This formula is equivalent to equation (7) in Corrado and Miller (1996a), with the substitution of a geometric average of stock and strike prices in place of an arithmetic average. Ceteris paribus...

In this paper, we report the first empirical tests concerning the performance of international investment strategies recommended by a panel of investment houses from 1982 through 2001. The data for this study comes from surveys published in the Financial Report, a confidential newsletter...

We examine the forecast quality of Chicago Board Options Exchange (CBOE) implied volatility indexes based on the Standard and Poor's 100 and Nasdaq 100 stock indexes. We find that the forecast quality of CBOE implied volatilities for the Samp;P 100 (VIX) has significantly improved in recent...

We examine the riskless box spread trading strategy before and after the 1987 Market Crash using intraday data for Samp;P 500 Index (SPX) options. We find that the Crash had a significant impact on trading profitability. Before the Crash, apparently profitable trading opportunities were rare and...

In this paper, we report the first empirical tests concerning the international investment strategies of a panel of investment houses from 1982 through 1999. The previously untapped data for this study comes from surveys published in the Financial Report, a confidential newsletter purchased by...