The profitability of momentum trading strategies in the Irish equity market

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Date
2010-07
Authors
O'Sullivan, Fionnghuala
O'Sullivan, Niall
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Blackhall Publishing
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Abstract
We examine the profitability of momentum-based trading strategies in the Irish equity market between 1988 and 2007. We investigate a range of trading strategies over alternative backward-looking ranking periods and forward-looking holding horizons as well as for alternative size momentum portfolios. We find that returns to momentum-based strategies are highly non-normally distributed, giving rise to concern about the validity of inferences based on standard statistical tests of their abnormal performance. We therefore apply a bootstrap procedure to construct nonparametric p-values for the portfolio performance measures. Overall, we find little evidence that momentum-based trading strategies would have yielded an abnormal risk-adjusted return over the period. The Irish equity market appears to be quite efficient in this respect.
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Keywords
Stock exchanges , Securities trading , Cost centres , Portfolio performance
Citation
O' Sullivan, F; O' Sullivan, N; (2010) 'The Profitability of Momentum Trading Strategies in the Irish Equity Market'. Irish Accounting Review, 17 (1):55-68.
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