Volatility as a New Class of Assets? The Advantages of Using Volatility Index Futures in Investment Strategies
30 Pages Posted: 12 Oct 2014
Date Written: October 11, 2014
This paper investigates the changes in the investment portfolio performance after including VIX. We apply different models for optimal portfolio selection (Markowitz and Black-Litterman) assuming both the possibility of short sale and the lack of it. We also use various assets, data frequencies, and investment horizons to get a comprehensive picture of our results’ robustness. Investment strategies including VIX futures do not always deliver higher returns or higher Sharpe ratios for the period 2006-2013. Their performance is quite sensitive to changes in model parameters. However, including VIX significantly increases the returns in almost all cases during the recent financial crisis. This result clearly emphasizes potential gains of having such an asset in the portfolio in case of very high volatility in financial markets.
Keywords: volatility, VIX futures, investment strategies, optimal portfolio selection, Markowitz model, Black-Litterman model
JEL Classification: G11, G14, G17
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