The exercise of a warrant leads to the well-known dilution phenomenon, whose effects have been extensively studied over the last four decades. In contrast, the existing literature has paid inadequate attention to the volatility spillover between stockholders and warrant holders. This...

This paper investigates informed trading on stock volatility in the option market. Using a unique data set from the Chicago Board Options Exchange, we construct non-market maker net demand for stock volatility from the trading volume of individual equity options. We find that this volatility...

A model of risk with multiple independent unconditional calendar and non-calendar variance components is used to explain time-varying returns. Digital signals represent finite stock return series. The random walk hypothesis is tested using digital signal processing methods. A stochastic additive...

This Paper analyzes the information content of the ambient noise level in the Chicago Board of Trade's 30-year Treasury Bond futures trading pit. Controlling for a variety of other variables, including lagged price changes, trading volumes, and news announcements, we find that the sound level...

This research evaluates the fundamental causes of the current financial crisis. Close financial analysis indicates that theoretical modeling based on unrealistic assumptions led to serious problems in mispricing in the massive unregulated market for credit default swaps that exploded upon...

This study proposes a more robust estimation of the implied volatility in the FX market, offers a possible explanation to the observed quot;smilequot; in implied volatilities based on a quot;clientele effectquot;, and tests the predictability of future volatilities in the FX market. We employ...

The paper undertakes a non-parametric analysis of the very high frequency movements in stock market volatility using very finely sampled data on the Samp;P VIX index compiled by the CBOE. The data suggest that stock market volatility is best described as a pure jump process without a continuous...

Comparing realized dividends with dividend forecasts, we propose to describe dividend risk by a truncated t-distribution. We then investigate the impact of dividend uncertainty on European and American option prices. We find that the impact of dividend uncertainty on option prices is negligible...

This study investigates the performance of large speculators in 22 commodity markets over the last 15 years. We find that large speculators were profitable in many markets. Two possible sources of returns are analyzed for their relevance in these gains: The ability to forecast and the flow of...