Option market trading activity and the estimation of the pricing kernel: A Bayesian approach
Antonietta Mira and
Journal of Econometrics, 2020, vol. 216, issue 2, 430-449
We propose a nonparametric Bayesian approach for the estimation of the pricing kernel. Historical stock returns and option market data are combined through the Dirichlet Process (DP) to construct an option-adjusted physical measure. The precision parameter of the DP process is calibrated to the amount of trading activity in deep-out-of-the-money options. We use the option-adjusted physical measure to construct an option-adjusted pricing kernel. An empirical investigation on the S&P 500 Index from 2002 to 2015 shows that the option-adjusted pricing kernel is consistently monotonically decreasing, regardless of the level of volatility, thus providing an explanation to the well known U-shaped pricing kernel puzzle.
Keywords: Pricing kernel; Pricing kernel puzzle; Physical measure; Dirichlet process; Bayesian nonparametric estimation; Options; S&P 500 index (search for similar items in EconPapers)
JEL-codes: G10 G13 G14 G17 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:econom:v:216:y:2020:i:2:p:430-449
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