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Related Experiment Videos

Switching portfolios

Y Singer1

  • 1AT&T Labs, Florham Park, NJ 07932, USA. singer@research.att.com

International Journal of Neural Systems
|August 1, 1997
PubMed
Summary
This summary is machine-generated.

This study introduces an adaptive portfolio selection algorithm that outperforms fixed strategies in non-stationary stock markets. The novel algorithm effectively tracks market changes, even with transaction costs, for superior investment returns.

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Area of Science:

  • Quantitative Finance
  • Computational Finance
  • Algorithmic Trading

Background:

  • Constant rebalanced portfolios assume stationary markets, which is often unrealistic.
  • Existing online portfolio selection algorithms struggle with non-stationary market dynamics.
  • Fixed asset allocation can lead to significantly lower wealth compared to adaptive strategies.

Purpose of the Study:

  • To develop an efficient portfolio selection algorithm capable of tracking changing market conditions.
  • To extend the algorithm to incorporate general transaction costs.
  • To analyze the algorithm's competitiveness and performance against existing methods.

Main Methods:

  • Development of an efficient adaptive portfolio selection algorithm.
  • Extension of the algorithm to handle various transaction cost models.

Related Experiment Videos

  • Performance evaluation using 22-year real stock data from the New York Stock Exchange.
  • Main Results:

    • The proposed algorithm demonstrates superior performance compared to constant rebalanced portfolios and other referenced online algorithms.
    • The algorithm's effectiveness is validated both with and without considering transaction costs.
    • Significant outperformance was observed on historical New York Stock Exchange data.

    Conclusions:

    • Adaptive portfolio selection is crucial for navigating non-stationary financial markets.
    • The developed algorithm offers a robust and efficient solution for dynamic asset allocation.
    • This approach provides a competitive advantage over traditional fixed-strategy methods in real-world trading scenarios.