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Correlation Analysis of Stock Market and Fund Market Based on M-Copula-EGARCH-M-GED Model

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  • Wang Ruihua
  • Wang Hongjun

    (School of Mathematics and Statistics, Xidian University, Xi’an, 710126, China)

Abstract

In this paper, M-Copula is used to analyze the correlation between Shanghai Composite Index and Shanghai Fund Index. By analyzing the characteristics of the logarithmic yields sequence of two samples, the marginal distribution model is established by using EGARCH-M-GED model. According to the correlation between two logarithmic yields sequence, the M-Copula model is selected to model its correlation structure, and its parameters are estimated by EM algorithm. Because M-Copula combines characteristics of different Copulas, it has more flexible distribution forms and more prominent ability to describe the fat tails and correlation characteristics of data, and more importantly, the effect is better than single Copula.

Suggested Citation

  • Wang Ruihua & Wang Hongjun, 2020. "Correlation Analysis of Stock Market and Fund Market Based on M-Copula-EGARCH-M-GED Model," Journal of Systems Science and Information, De Gruyter, vol. 8(3), pages 240-252, June.
    • Handle: RePEc:bpj:jossai:v:8:y:2020:i:3:p:240-252:n:3
    DOI: 10.21078/JSSI-2020-240-13
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    References listed on IDEAS

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