Abstract
This article examined the interrelationships between the United States, Korea compared with China and Korea. We used the daily stock index among these three markets from 1 January 1999 to 31 October 2005. Our article found that, following China entered WTO, there is insignificant relationship between China and Korea stock markets, however, significant interrelationship between the United States and S. Korea. But in late 2002, there are structural change of economy among China, Korea and the United States. Korea stock market was influenced by China gradually, and there existed insignificant interrelate between the United States and Korea.