Risk-adjusted, ex ante, optimal technical trading rules in equity markets

Christopher Neely

No 1999-015, Working Papers from Federal Reserve Bank of St. Louis

Abstract: Allen and Karjalainen (1999) used genetic programming to develop optimal ex ante trading rules for the S&P 500 index. They found no evidence that the returns to these rules were higher than buy-and-hold returns but some evidence that the rules had predictive ability. This comment investigates the risk-adjusted usefulness of such rules and more fully characterizes their predictive content. These results extend Allen and Karjalainen's (1999) conclusion by showing that although the rules' relative performance improves, there is no evidence that the rules significantly outperform the buy-and-hold strategy on a risk-adjusted basis. Therefore, the results are consistent with market efficiency. Nevertheless, risk-adjustment techniques should be seriously considered when evaluating trading strategies.

Keywords: Trade; Stock - Prices; Econometric models (search for similar items in EconPapers)
Date: 2001
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Published in International Review of Economics and Finance, Spring 2003, 12(1), pp. 69-87

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Journal Article: Risk-adjusted, ex ante, optimal technical trading rules in equity markets (2003)
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DOI: 10.20955/wp.1999.015

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