Abstract:

This paper draws a picture of social network of exchange websites based on the results of link analysis, and analyses the centrality and core-periphery structure of websites, and discusses the roles and statuses in the social network, furthermore this paper researches the factors which impact the centrality of the websites. The results reveal that websites of exchange from tradition financial centers often lie in core region, and there are correlations among the numbers of listed companies of exchange and the eigenvector centrality, the point centrality and the eigenvector centrality.

Key words: Stock exchange website, 　Social network analysis, 　Centrality analysis, 　Structural holes, 　Visualization