Financial Insights from the Last Few Components of a Stock Market PCA (2017)
AuthorsYang L, Rea W, Rea Ashow all
We show that the last few components in the principal component analysis of the correlation matrix of a group of stocks may contain useful financial insights by identifying highly correlated pairs or larger groups of stocks. The results of this type of analysis can easily be included in the information an investor uses to manage an investment portfolio.
CitationYang L, Rea W, Rea A (2017). Financial Insights from the Last Few Components of a Stock Market PCA. International Journal of Financial Studies. 5(3). 15-15.
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