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Título: BLACK-SCHOLES AND MODIFIED CORRADO-SU: COMPARATIVE ANALYSIS BETWEEN THE OPTION PRICING MODELS APPLIED TO THE BRAZILIAN MARKET
Autor(es): ALBERTO KARKOW PIRES RIBEIRO
Colaborador(es): ANTONIO CARLOS FIGUEIREDO PINTO - Orientador
Catalogação: 26/ABR/2012 Língua(s): PORTUGUESE - BRAZIL
Tipo: TEXT Subtipo: SENIOR PROJECT
Notas: [pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio.
[en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio.
Referência(s): [pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=19484@1
[en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/TFCs/consultas/conteudo.php?strSecao=resultado&nrSeq=19484@2
DOI: https://doi.org/10.17771/PUCRio.acad.19484
Resumo:
Considered the most widely used method for pricing and hedging options by market participants worldwide, the Black-Scholes model (1973) assumes as one of its premises to claim that the probability distribution price of a stock at any future time, will always be considered log-normal. Assuming this premise does not apply to the behavior of stocks traded on the Brazilian market, based on the model s tendency to present lower prices for call options both inside and outside money, constituting a phenomenon known as volatility smile, it was this analyze in a comparative study for the period between September and October 2010, the behavior of the returns of some of the most actively traded stocks on BM&FBovespa, and estimate the daily prize of their options for models of Black- Scholes (1973) and modified Corrado-Su (1996) which sets out to eliminate phenomenon in question into consideration the variables of skewness and kurtosis in asset returns analyzed. It was observed that both models underestimated options out-of-money, while for options within-the-money, the models had values mostly close to the market. It was found that the Black Scholes model (1973) adjusted better choices out-of-money, at-the-money and in-the-money, although the Modified model Corrado-Su (1966) has obtained a significant representation among the events that had their prices closer to the market. Finally, the results suggest that although the Black-Scholes model (1973) fits slightly better for the Brazilian market, in general, we can’t say that one model is superior to another in call options pricing.
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