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Bayesian Networks for Portfolio Analysis and Optimization

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Financial Decision Making Using Computational Intelligence

Part of the book series: Springer Optimization and Its Applications ((SOIA,volume 70))

Abstract

Portfolio analysis studies the impact of economic and financial scenarios on the performance of an investment portfolio, while portfolio optimization concerns asset allocation to achieve a trade-off between risk and return. In this chapter we exploit the interplay between modern portfolio theory and Bayesian networks to describe a new framework for portfolio analysis and optimization. Bayesian networks provide an effective way to interface models to data, allow efficient evidential reasoning, while their graphical language offers an intuitive interface by which the analyst can elicit his/her knowledge. The proposed framework leverages on evidential reasoning to understand the behavior of an investment portfolio in different economic and financial scenarios. It allows to formulate and solve a portfolio optimization problem, while coherently taking into account the investor’s market views. The Bayesian network framework for portfolio analysis and optimization is instantiated on the DJ Euro Stoxx 50 Index. Examples of portfolio analysis and optimization, exploiting evidential reasoning on Bayesian networks, are presented and discussed.

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Author information

Authors and Affiliations

  1. University of Milano – Bicocca, 20126, Milano, Italy

    Simone Villa & Fabio Stella

  2. Saint George Capital Management, 6907, Lugano, Switzerland

    Simone Villa

Authors
  1. Simone Villa
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  2. Fabio Stella
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Correspondence to Fabio Stella .

Editor information

Editors and Affiliations

  1. Dept. Production Engineering, and Management, Technical University of Crete, University Campus, Chania, 731 00, Greece

    Michael Doumpos

  2. , Department of Production Engineering and, Technical University of Crete, University Campus, Chania, 73100, Greece

    Constantin Zopounidis

  3. , Department of Industrial and Systems Eng, University of Florida, Weil Hall 401, Gainesville, 32611, Florida, USA

    Panos M. Pardalos

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Villa, S., Stella, F. (2012). Bayesian Networks for Portfolio Analysis and Optimization. In: Doumpos, M., Zopounidis, C., Pardalos, P. (eds) Financial Decision Making Using Computational Intelligence. Springer Optimization and Its Applications, vol 70. Springer, Boston, MA. https://doi.org/10.1007/978-1-4614-3773-4_8

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