Andrew Urquhart
How exactly do markets adapt? Evidence from the moving average rule in three developed markets
Urquhart, Andrew; Gebka, Bartosz; Hudson, Robert
Authors
Abstract
The seminal study by Brock, Lakonishok and LeBaron (1992) (BLL hereafter) found that the moving average rule had strong predictive power over 90 years in the DJIA, and this result was confirmed by Hudson et al. (1996) for the FT30 in the UK and Chen et al. (2009) for the TOPIX in Japan. However, according to the Adaptive Market Hypothesis, trading rules are only likely to be successful for a limited period of time and, as investors and markets adapt, their predictive power will diminish. We examine the moving average (MA) rule using post-BLL (1987-2013) data and find that after 1986 the rule’s predictive power has diminished in all three markets. We investigate the exact process behind the weakening of the predictive power of moving average rules and find that post-1987 markets react to new buy/sell signals not on the days those signals are generated, but the day before. In support of this finding, we show that trading strategies based on anticipation of signals would have yielded superior profits to investors. Hence, trading on anticipated signals constitutes a feasible explanation of price reactions to future, one-day-ahead new signals, and thus in line with the Adaptive Market Hypothesis.
Citation
Urquhart, A., Gebka, B., & Hudson, R. (2015). How exactly do markets adapt? Evidence from the moving average rule in three developed markets. Journal of International Financial Markets, Institutions and Money, 38, 127-147. https://doi.org/10.1016/j.intfin.2015.05.019
Journal Article Type | Article |
---|---|
Acceptance Date | May 14, 2015 |
Online Publication Date | May 29, 2015 |
Publication Date | 2015-09 |
Deposit Date | Jun 1, 2015 |
Publicly Available Date | Jun 1, 2015 |
Journal | Journal of international financial markets, institutions and money |
Print ISSN | 1042-4431 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 38 |
Pages | 127-147 |
DOI | https://doi.org/10.1016/j.intfin.2015.05.019 |
Keywords | Technical analysis, Adaptive market hypothesis, Market efficiency, Predictability |
Public URL | https://hull-repository.worktribe.com/output/374520 |
Publisher URL | http://www.sciencedirect.com/science/article/pii/S1042443115000724 |
Additional Information | Authors' accepted manuscript of article published in: Journal of international financial markets, institutions and money, 2015 at http://www.sciencedirect.com/science/article/pii/S1042443115000724 |
Contract Date | Jun 1, 2015 |
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Copyright Statement
© 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
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