PT - JOURNAL ARTICLE AU - Charles J. Corrado AU - Tie Su TI - Implied Volatility Skews and Stock Index Skewness and Kurtosis Implied by S&P 500 Index Option Prices AID - 10.3905/jod.1997.407978 DP - 1997 May 31 TA - The Journal of Derivatives PG - 8--19 VI - 4 IP - 4 4099 - https://pm-research.com/content/4/4/8.short 4100 - https://pm-research.com/content/4/4/8.full