The network of causal relationships in the U.S. stock market
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© Springer Nature Switzerland AG 2018. We propose a network-based framework to study causal relationships in financial markets and demonstrate the proposed approach by applying it to the entire U.S. stock market. Directed networks (referred to as causal market graphs) are constructed based on stock return time series data during 2001–2017 using Granger causality as a measure of pairwise causal relationships between all stocks. We consider the dynamics of structural properties of the constructed network snapshots, group stocks into network-based clusters, as well as identify the most “influen-tial” stocks via a PageRank algorithm. The proposed approaches offer a new angle for analyzing global characteristics and trends of the stock market using network-based techniques.
author list (cited authors)
Shirokikh, O., Pastukhov, G., Semenov, A., Butenko, S., Veremyev, A., Pasiliao, E., & Boginski, V.