This paper demonstrates that rating-based capital requirements, through their impact on insurers' investment demand, affect corporate bond prices. Consistent with insurers' low demand for investment-grade (IG) bonds with a rating close to non-investment-grade, these bonds are underpriced....

I investigate the relation between option prices and daily stock return serial correlation. I demonstrate that the variance ratio, calculated as the ratio of realized to implied stock return variance, has both a contemporaneous and predictive relation with stock return serial correlation. The...

Using a measure of ex-ante expected returns based on analyst price targets, we find strong evidence that investors price both systematic (beta and co-skewness) and non-systematic (idiosyncratic volatility) risk when determining the appropriate rate of return on a security. We demonstrate that...

Short option positions carry significant risk of losses well in excess of 100% of the initial option price. Margin requirements associated with such positions are therefore considerable. I develop a methodology for calculating margin requirement-based short option portfolio returns. Accounting...