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Contrarian and momentum profitability revisited: Evidence from the London Stock Exchange 1964–2005

Abstract : We provide evidence relating to contrarian and momentum profits for the LSE, using 64 strategies for all 6531 stocks traded from 1964 to 2005. Thorough analysis demands controlling for key potential (contradictory) explanations of the strategies’ profitability which span psychological characteristics (e.g. overreaction/underreaction), excess risk, seasonality, size, and microstructure induced biases. Results provide a measurement of the miscalculations which occur when ignoring survivorship and microstructure biases. Contrarian/momentum profits cannot be explained by seasonality, size, or a single factor risk model. However, the Fama–French three factor model rationalises all contrarian profits. Important differences are found when examining a truncated sample period demonstrating the need to recognise that financial markets can change markedly through time.
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https://hal-audencia.archives-ouvertes.fr/hal-01091120
Contributor : Sylvia Cheminel <>
Submitted on : Thursday, December 4, 2014 - 4:30:14 PM
Last modification on : Thursday, July 19, 2018 - 4:58:09 PM

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Emilios C. Galariotis, Phil Holmes, Xiaodong S. Ma. Contrarian and momentum profitability revisited: Evidence from the London Stock Exchange 1964–2005. Journal of Multinational Financial Management, Elsevier, 2008, 17 (5), pp.432-447. ⟨10.1016/j.mulfin.2007.01.003⟩. ⟨hal-01091120⟩

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