On the scaling of the distribution of daily price fluctuations in Mexican financial market index

In this paper, a statistical analysis of log-return fluctuations of the IPC, the Mexican Stock Market Index is presented. A sample of daily data covering the period from $04/09/2000-04/09/2010$ was analyzed, and fitted to different distributions. Tests of the goodness of fit were performed in order...

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Bibliographic Details
Published inIDEAS Working Paper Series from RePEc
Main Authors Lester, Alfonso, Mansilla, Ricardo, Terrero-Escalante, Cesar A
Format Paper
LanguageEnglish
Published St. Louis Federal Reserve Bank of St. Louis 01.01.2011
Subjects
Stock exchanges
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Summary:In this paper, a statistical analysis of log-return fluctuations of the IPC, the Mexican Stock Market Index is presented. A sample of daily data covering the period from $04/09/2000-04/09/2010$ was analyzed, and fitted to different distributions. Tests of the goodness of fit were performed in order to quantitatively asses the quality of the estimation. Special attention was paid to the impact of the size of the sample on the estimated decay of the distributions tail. In this study a forceful rejection of normality was obtained. On the other hand, the null hypothesis that the log-fluctuations are fitted to a $\alpha$-stable L\'evy distribution cannot be rejected at 5% significance level.