Volatility and Mispricing: Robust Variance Estimation and Black-Scholes Call Option Pricing

Volatility and Mispricing: Robust Variance Estimation and Black-Scholes Call Option Pricing February 1987 Revised July 1987 Robert Geske and Walt Torous Anderson Graduate School of Management University of California, Los Angeles, CA 90095-1481 Finance Working Paper sponsored by CAPITAL MANAGEMENT SCIENCES