Abstract
This study is about the application of Hurst exponent in an emerging financial market, the Istanbul stock exchange (ISE). The aim of this study was to find out whether ISE daily return series has long-term dependency and multifractality by using Hurst exponent analysis. Hurst values of daily return series in the period January 1994-December 2007 were computed with the sliding window method. The findings show that the return series has long-term dependency for the first period (1994-2004), but for the second period (2004-2007), the series loses its long-term dependency. This shift reminds us that the return series has multifractality.
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