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arXiv physics/0608224physics.data-anphysics.soc-phq-fin.ST
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用Levy稳定分布拟合金融时间序列的技巧

The art of fitting financial time series with Levy stable distributions

Enrico Scalas, Kyungsik Kim

摘要:

本文给出了一个用$α$ -稳定分布拟合金融数据的过程。在使用所有可用的方法来评估分布参数之后,可以定性地选择最佳估计并对该估计进行拟合优度检验,以便定量地评估其质量。事实证明,对于两个调查的数据集(MIB 30和DJIA从2000年至今),一个$α$稳定的拟合日志回报是相当不错的。

英文摘要:

This paper illustrates a procedure for fitting financial data with $α$-stable distributions. After using all the available methods to evaluate the distribution parameters, one can qualitatively select the best estimate and run some goodness-of-fit tests on this estimate, in order to quantitatively assess its quality. It turns out that, for the two investigated data sets (MIB30 and DJIA from 2000 to present), an $α$-stable fit of log-returns is reasonably good.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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