Using transfer entropy, we observed the strength and direction of information flow between stock indices. We uncovered that the biggest source of information flow is America. In contrast, the Asia/Pacific region the biggest is receives the most infor
mation. According to the minimum spanning tree, the GSPC is located at the focal point of the information source for world stock markets.
We investigate the strength and the direction of information transfer in the U.S. stock market between the composite stock price index of stock market and prices of individual stocks using the transfer entropy. Through the directionality of the infor
mation transfer, we find that individual stocks are influenced by the index of the market.
