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Uncertainty times for portfolio selection at financial market

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  • Oliveira, André Barbosa
  • Pereira, Pedro L. Valls

Abstract

The financial market presents non-linearities for the behavior of stock returns for periods of high and low market. This article studies portfolios whose variance-covariance matrices are estimates using a multivariate model with regime change. Investment strategies for portfolios are presented in the presence of uncertainty as to the high or low state of the stock market. The portfolios were applied to the main Ibovespa shares. The proposed portfolios offered better performance for the period analyzed.

Suggested Citation

  • Oliveira, André Barbosa & Pereira, Pedro L. Valls, 2018. "Uncertainty times for portfolio selection at financial market," Textos para discussão 473, FGV EESP - Escola de Economia de São Paulo, Fundação Getulio Vargas (Brazil).
    • Handle: RePEc:fgv:eesptd:473
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    References listed on IDEAS

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