An estimator for the quadratic covariation of asynchronously observed Itô processes with noise: Asymptotic distribution theory

Markus Bibinger

No 2011-034, SFB 649 Discussion Papers from Humboldt University Berlin, Collaborative Research Center 649: Economic Risk

Abstract: The article is devoted to the nonparametric estimation of the quadratic covariation of non-synchronously observed Itô processes in an additive microstructure noise model. In a high-frequency setting, we aim at establishing an asymptotic distribution theory for a generalized multiscale estimator including a feasible central limit theorem with optimal convergence rate on convenient regularity assumptions. The inevitably remaining impact of asynchronous deterministic sampling schemes and noise corruption on the asymptotic distribution is precisely elucidated. A case study for various important examples, several generalizations of the model and an algorithm for the implementation warrant the utility of the estimation method in applications.

Keywords: non-synchronous observations; microstructure noise; integrated covolatility; multiscale estimator; stable limit theorem (search for similar items in EconPapers)
JEL-codes: C14 C32 C58 G10 (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:zbw:sfb649:sfb649dp2011-034

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