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...

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...

In 2010, the CBN announced a fixed tenure policy for bank CEOs in Nigeria. To contribute to the understanding of the (in)appropriateness of this policy, this study analyzes the link between CEO tenure and bank efficiency in Nigeria. Using a balanced data set comprising 160 observations of 32...

Originally developed as a statistical tool for empirical research in accounting and finance, event studies have since migrated to other disciplines as well, including economics, history, law, management, marketing, and political science. Despite the elegant simplicity of a standard event study,...

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...

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...

The purpose of this paper is to develop a new non-parametric method to price options based on normalized Multipoint Padé Approximants. Following the seminal paper of Padé (1892), we propose to approximate the risk-neutral distribution by a rational function of polynomials that can accommodate...

The purpose of this paper is to develop a new non-parametric method to price options based on normalized Multipoint Padeacute; Approximants. Following the seminal paper of Padeacute; (1892), we propose to approximate the risk-neutral distribution by a rational function of polynomials that can...

Geared Equity Investments (GEI) are an over-the-counter product offered by Macquarie Bank, Ltd. to high-income investors in Australia and New Zealand as a managed-risk investment in local shares with a significant tax-shield benefit. Upon issuance, a geared equity contract has three...