Title: Hedging price changes in the S&P 500 options and futures contracts: the effect of different measures of implied volatility
Author: Jitka Hilliard
Address: Department of Finance, Raymond J. Harbert College of Business, Auburn University, Auburn, AL 36849-5245, USA
Abstract: We evaluate the performance of delta, delta-gamma and delta-vega hedges on the S&P 500 futures options with a particular focus on importance of daily volatility updating and the use of price-change implied volatility. Our findings indicate that the hedging performance of Black's model improves with daily updating of implied volatility and fitted price-change implied volatility for both calls and puts. Surprisingly, neither directly estimated implied price-change volatility nor introduction of additional traded option to the hedging portfolio seems to improve the hedging performance.
Keywords: delta hedge; delta-gamma hedge; delta-vega hedge; S&P 500 futures options; implied volatility; hedging price changes; hedging performance.
Int. J. of Financial Markets and Derivatives, 2014 Vol.3, No.3, pp.241 - 259
Date of acceptance: 02 Oct 2013
Available online: 04 Mar 2014