Processo de Meixner: teoria e aplicações no mercado financeiro brasileiro

Autores

  • José Santiago Fajardo Barbachan Fundação Getúlio Vargas. Escola Brasileira de Administração Pública e de Empresas Autor
  • Felipe Gomes Pereira Coutinho Fundação Getúlio Vargas. Escola de Pós-Graduação em Economia Autor

DOI:

https://doi.org/10.1590/S0101-41612011000200007

Palavras-chave:

processo de Meixner, apreçamento de opções, caudas pesadas

Resumo

Modelos consagrados e amplamente utilizados no mercado, como o modelo de Black-Scholes, assumem que os retornos diários dos ativos têm distribuição Normal. Na prática, porém, evidencia-se que esses retornos são frequentemente assimétricos e com caudas mais pesadas. Sendo assim, este trabalho busca avaliar se a distribuição de Meixner seria mais apropriada para a modelagem dos retornos. Adicionalmente, será analisado se o processo de Lévy que surge a partir dessa distribuição, o processo de Meixner, é eficiente na precificação de derivativos financeiros. Para tanto, propõe-se a substituição do movimento Browniano pelo processo de Meixner em Black-Scholes.

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Publicado

30-06-2011

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Como Citar

Barbachan, J. S. F., & Coutinho, F. G. P. (2011). Processo de Meixner: teoria e aplicações no mercado financeiro brasileiro. Estudos Econômicos (São Paulo), 41(2), 383-408. https://doi.org/10.1590/S0101-41612011000200007