A new SAX-GA methodology applied to investment strategies optimization

  • Authors:
  • António Canelas;Rui Neves;Nuno Horta

  • Affiliations:
  • Instituto de Telecomunicações/Instituto Superior Técnico, Lisbon, Portugal;Instituto de Telecomunicações/Instituto Superior Técnico, Lisbon, Portugal;Instituto de Telecomunicações/Instituto Superior Técnico, Lisbon, Portugal

  • Venue:
  • Proceedings of the 14th annual conference on Genetic and evolutionary computation
  • Year:
  • 2012

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Abstract

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.