Impact of Truncation on Model-Free Implied Moment Estimator
45 Pages Posted: 25 Aug 2014 Last revised: 1 Sep 2015
Date Written: August 31, 2015
Abstract
This study examines the impact of truncation, i.e., the unavailability of extremely deep-out-of-the-money option quotes, on the model-free implied moment estimators of Bakshi et al. (2003) and suggests how truncation should be controlled for implied higher moment estimation. We show that truncation has a significantly larger impact on the implied skewness and kurtosis estimators than on the implied volatility estimator and that the impact is not completely removed by linear extrapolation (LE) suggested by Jiang and Tian (2005) or domain symmetrization (DSym) proposed by Dennis and Mayhew (2002). As an alternative method, we suggest domain stabilization (DStab) which makes the truncation error less volatile.
Keywords: Truncation error; Model-free implied moment estimators; Domain stabilization
JEL Classification: C14, C58, G13
Suggested Citation: Suggested Citation
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