An Econometric Analysis of Nonsyschronous-Trading

Andrew Lo () and Craig A. MacKinlay

Rodney L. White Center for Financial Research Working Papers from Wharton School Rodney L. White Center for Financial Research

Abstract: We develop a stochastic model of nonsynchronous asset prices based on sampling with random censoring. In addition to generalizing existing models of non-trading, our framework allows the explicit calculation of the effects of infrequent trading on the time series properties of asset returns. These are empirically testable implications for the variances, autocorrelations, and cross-autocorrelations of returns to individual stocks as well as to portfolios. We construct estimators to quantify the magnitude of non-trading effects in commonly used stock returns data bases, and show the extent to which this phenomenon is responsible for the recent rejections of the random walk hypothesis.

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Related works:
Journal Article: An econometric analysis of nonsynchronous trading (1990)
Working Paper: An Econometric Analysis of Nonsynchronous Trading (1989)
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Persistent link: https://EconPapers.repec.org/RePEc:fth:pennfi:19-89

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