Lead-lag effects in the mean and variance of returns of size-sorted UK equity portfolios

Angelos Kanas ()

Empirical Economics, 2004, vol. 29, issue 3, 575-592

Abstract: We test for lead-lag effects in the mean and variance among size-sorted portfolios for the UK stock market. We construct three sets of portfolios, namely a set of size-sorted equally-weighted portfolios of different capitalization size, a set of size-sorted value-weighted portfolios of different capitalization size, and a third set of portfolios of the same capitalization size. The recently proposed Cross Correlation Function test is employed. For both sets of portfolios with different capitalization size, we find evidence of a lead effect in both the mean and the variance from large-firm portfolios to small-firm portfolios. This result does not depend on the weighting scheme used to construct portfolios, and indicates that contrarian trading strategies on large-firm portfolios are profitable. For portfolios of equal capitalization size, there is hardly any evidence of a lead-lag effect in either the mean or the variance. This suggests that the lead-lag effect is due to the difference in the capitalization size among portfolios. Copyright Springer-Verlag 2004

Keywords: Lead-lag effects; trading strategies; contrarian strategies; EGARCH; Cross Correlation Function (CCF); G10; G12; G15 (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1007/s00181-004-0199-3

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