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Avaliação de Estratégias de Investimento com Opções

Author

Listed:
  • Ana Cristina Fernandes

    (Escola de Economia e Gestão, Universidade do Minho)

  • Carlos Machado-Santos

    (Depart. de Economia e Sociologia, UTAD)

Abstract
The financial literature has revealed that option strategies originate asymmetric return distributions, providing new investment opportunities, especially in the control and reduction of risk. In this way, it is important to evaluate the performance of investment strategies that result from the combination of stock and option positions. On the other hand, given the inadequacy of the measures based upon mean and variance, new evaluation methodologies have been developed and adapted to the context of such investment strategies, of which we highlight the work of Leland (1999), that proposes a modification of the traditional risk measure (beta) of CAPM to incorporate other moments of the return distributions. In this context, we applied the methodology of Leland on six dynamic hedging strategies with options on the Index FTSE 100 in the sense of evaluating its performance. The results indicate that the new risk measure is more statistical significant than the traditional beta of CAPM, for that the information supplied by the measure of the performance (modified alpha) seems to be more reliable. On the other hand, the values of modified alphas reveal that these dynamic strategies result in excess returns close to zero (as theoretically expected), denouncing that the market price of these options appears to be in equilibrium.

Suggested Citation

  • Ana Cristina Fernandes & Carlos Machado-Santos, 2001. "Avaliação de Estratégias de Investimento com Opções," FEP Working Papers 113, Universidade do Porto, Faculdade de Economia do Porto.
    • Handle: RePEc:por:fepwps:113
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