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Multivariate realised kernels: consistent positive semi-definite estimators of the covariation of equity prices with noise and non-synchronous trading

Ole Barndorff-Nielsen (), Peter Hansen (), Asger Lunde () and Neil Shephard ()

OFRC Working Papers Series from Oxford Financial Research Centre

Abstract: We propose a multivariate realised kernel to estimate the ex-post covariation of log-prices. We show this new consistent estimator is guaranteed to be positive semi-definite and is robust to measurement noise of certain types and can also handle non-synchronous trading. It is the first estimator which has these three properties which are all essential for empirical work in this area. We derive the large sample asymptotics of this estimator and assess its accuracy using a Monte Carlo study. We implement the estimator on some US equity data, comparing our results to previous work which has used returns measured over 5 or 10 minutes intervals. We show the new estimator is substantially more precise.

Keywords: HAC estimator, Long run variance estimator; Market frictions; Quadratic variation; Realised variance (search for similar items in EconPapers)
JEL-codes: C01 C14 C32 (search for similar items in EconPapers)
Pages: 41
Date: 2008
New Economics Papers: this item is included in nep-ecm and nep-ets
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Citations: View citations in EconPapers (29) Track citations by RSS feed

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Related works:
Journal Article: Multivariate realised kernels: Consistent positive semi-definite estimators of the covariation of equity prices with noise and non-synchronous trading (2011) Downloads
Working Paper: Multivariate realised kernels: Consistent positive semi-definite estimators of the covariation of equity prices with noise and non-synchronous trading (2011) Downloads
Working Paper: Multivariate Realised Kernels: Consistent Positive Semi-Definite Estimators of the Covariation of Equity Prices with Noise and Non-Synchronous Trading (2009) Downloads
Working Paper: Multivariate realised kernels: consistent positive semi-definite estimators of the covariation of equity prices with noise and non-synchronous trading (2008) Downloads
Working Paper: Multivariate realised kernels: consistent positive semi-definite estimators of the covariation of equity prices with noise and non-synchronous trading (2008) Downloads
Working Paper: Multivariate realised kernels: consistent positive semi-definite estimators of the covariation of equity prices with noise and non-synchronous trading (2008) Downloads
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