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A New SAX-GA Methodology applied to Investment Strategies Optimization

Canelas, A. ; Neves, R. ; Horta, N.

A New SAX-GA Methodology applied to Investment Strategies Optimization, Proc Genetic and Evolutionary Computation Conf. - GECCO, Philadelphia, United States, Vol. , pp. - , July, 2012.

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This paper presents a new computational finance approach, combining a Symbolic Aggregate approXimation (SAX) technique together with an optimization kernel based on genetic algorithms (GA). The SAX representation is used to describe the financial time series, so that, relevant patterns can be efficiently identified. The evolutionary optimization kernel is here used to identify the most relevant patterns and generate investment rules. The proposed approach was tested using real data from S&P500. The achieved results show that the proposed approach outperforms both B&H and other state-of-the-art solutions.