Black swans in the brazilian stock market

This study analyzes extreme values in the daily returns of 45 Brazilian stocks between 2 January 1995 and 18 March 2009. The incidence of observations outside the range of three standard deviationsfrom the mean is at least five times greater than under the normal distribution. The occurrence of extr...

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Bibliographic Details
Main Authors: Hugo Jacob Lovisolo, Ricardo Pereira Câmara Leal
Format: Article
Language:English
Published: Sociedade Brasileira de Pesquisa Operacional 2013-08-01
Series:Pesquisa Operacional
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-74382013000200006&lng=en&tlng=en