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Complex Correlation Approach for High Frequency Financial Data

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  • Mateusz Wilinski
  • Yuichi Ikeda
  • Hideaki Aoyama

Abstract

We propose a novel approach that allows to calculate Hilbert transform based complex correlation for unevenly spaced data. This method is especially suitable for high frequency trading data, which are of a particular interest in finance. Its most important feature is the ability to take into account lead-lag relations on different scales, without knowing them in advance. We also present results obtained with this approach while working on Tokyo Stock Exchange intraday quotations. We show that individual sectors and subsectors tend to form important market components which may follow each other with small but significant delays. These components may be recognized by analysing eigenvectors of complex correlation matrix for Nikkei 225 stocks. Interestingly, sectorial components are also found in eigenvectors corresponding to the bulk eigenvalues, traditionally treated as noise.

Suggested Citation

  • Mateusz Wilinski & Yuichi Ikeda & Hideaki Aoyama, 2017. "Complex Correlation Approach for High Frequency Financial Data," Papers 1706.06355, arXiv.org, revised Nov 2017.
    • Handle: RePEc:arx:papers:1706.06355
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