A Graphical Tool for Describing the Temporal Evolution of Clusters in Financial Stock Markets

被引:7
作者
Arratia, Argimiro [1 ]
Cabana, Alejandra [2 ]
机构
[1] Univ Politecn Cataluna, Barcelona, Spain
[2] Univ Autonoma Barcelona, E-08193 Barcelona, Spain
关键词
Financial time series; Clustering; Graph combinatorics; TIME-SERIES;
D O I
10.1007/s10614-012-9327-x
中图分类号
F [经济];
学科分类号
02 ;
摘要
We propose a methodology for clustering financial time series of stocks' returns, and a graphical set-up to quantify and visualise the evolution of these clusters through time. The proposed graphical representation allows for the application of well known algorithms for solving classical combinatorial graph problems, which can be interpreted as problems relevant to portfolio design and investment strategies. We illustrate this graph representation of the evolution of clusters in time and its use on real data from the Madrid Stock Exchange market.
引用
收藏
页码:213 / 231
页数:19
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