We use weekly prices of the international stock index (Chinese Shanghai stock index, S&P 500 index and Stoxx European 600 index) and weekly prices of the global crude oil market (WTI, Brent, and Dubai). Among them, the Shanghai Stock Exchange has initially formed a multilevel blue-chip stock market with large blue-chip enterprises as the main part and small and medium-sized enterprises as the common development. It is the fastest growing emerging stock market in the world. Therefore, we choose