Universal behavior of extreme price movements in stock markets.

Many studies assume stock prices follow a random process known as geometric Brownian motion. Although approximately correct, this model fails to explain the frequent occurrence of extreme price movements, such as stock market crashes. Using a large collection of data from three different stock marke...

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Bibliographic Details
Main Authors: Miguel A Fuentes, Austin Gerig, Javier Vicente
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2009-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC2793428?pdf=render