Inferring Volatility Dynamics and Risk Premia from the S&P 500 and VIX Markets PDF Download

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Inferring Volatility Dynamics and Risk Premia from the S&P 500 and VIX Markets

Inferring Volatility Dynamics and Risk Premia from the S&P 500 and VIX Markets PDF Author: Chris Bardgett
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Languages : en
Pages : 69

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Book Description
This paper shows that the VIX market contains information that is not already contained by the S&P 500 market on the variance of the S&P 500 returns. We estimate a flexible affine model based on a joint time series of underlying indexes and option prices on both markets. We find that including VIX option prices in the model estimation allows better identification of the parameters driving the risk-neutral conditional distributions and term structure of volatility, thereby enhancing the estimation of the variance risk premium. We gain new insights on the properties of the premium's term structure and show how they can be used to form trading signals. Finally, our premium has better predictive power than the usual model-free estimate and the higher-order moments of its term structure allow improving forecasts of S&P 500 returns.