Volatility Trading: What Is the Role of the Long-Run Volatility Component?

Guofu Zhou and Yingzi Zhu

Journal of Financial and Quantitative Analysis, 2012, vol. 47, issue 2, 273-307

Abstract: We study an investor’s asset allocation problem with a recursive utility and with tradable volatility that follows a 2-factor stochastic volatility model. Consistent with previous findings under the additive utility, we show that the investor can benefit substantially from volatility trading due to hedging demand. Unlike existing studies, we find that the impact of elasticity of intertemporal substitution (EIS) on investment decisions is of 1st-order importance. Moreover, the investor can incur significant economic losses due to model and/or parameter misspecifications where the EIS better captures the investor’s attitude toward risk than the risk aversion parameter.

Date: 2012
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