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A review of two decades of correlations, hierarchies, networks and clustering in financial markets
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We review the state of the art of clustering financial time series and the study of their correlations alongside other interaction networks. The aim of this review is to gather in one place the relevant material from different fields, e.g. machine learning, information geometry, econophysics, statistical physics, econometrics, behavioral finance. We hope it will help researchers to use more effectively this alternative modeling of the financial time series. Decision makers and quantitative researchers may also be able to leverage its insights. Finally, we also hope that this review will form the basis of an open toolbox to study correlations, hierarchies, networks and clustering in financial markets.
Forward citations
Cited by 2 Pith papers
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Clustering of Incomplete Data via a Bipartite Graph Structure
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Linkages and systemic risk in the European insurance sector: Some new evidence based on dynamic spanning trees
Dynamic minimum spanning trees built from copula-DCC-GARCH correlations show that European insurers' networks shrink during financial crises and are reported to be scale-free throughout 2005-2019.
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