Multifractal property of Chinese stock market in the CSI 800 index based on MF-DFA approach

Huijian Zhu and Weiguo Zhang

Physica A: Statistical Mechanics and its Applications, 2018, vol. 490, issue C, 497-503

Abstract: CSI 800 index consists of CSI 500 index and CSI 300 index, aiming to reflect the performance of stocks with large, mid and small size of China A share market. In this paper we analyze the multifractal structure of Chinese stock market in the CSI 800 index based on the multifractal detrended fluctuation analysis (MF-DFA) method. We find that the fluctuation of the closing logarithmic returns have multifractal properties, the shape and width of multifractal spectrum are depended on the weighing order q. More interestingly, we observe a bigger market crash in June–August 2015 than the one in 2008 based on the local Hurst exponents. The result provides important information for further study on dynamic mechanism of return fluctuation and whether it would trigger a new financial crisis.

Keywords: Chines stock market; Multifractal analysis; Hurst exponent; Singular spectrum; Local fluctuation; Financial crisis (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (21)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:490:y:2018:i:c:p:497-503

DOI: 10.1016/j.physa.2017.08.060

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