Literature Review on Stock Market Correlation Studies

With the development of global financial markets and the iteration of related technologies, stock market correlation research has made great progress and the corresponding academic results have been enriched gradually. This paper summarizes the literature related to stock market correlation research from three aspects: correlation among stock prices and with other asset prices, stock price correlation among different countries, and the use of new research techniques in stock correlation research, in which, in terms of correlation between stock prices and with other asset prices, the existing literature not only focuses on correlation of stock prices among different markets or industries, but also The correlation between stock market, bond market and alternative asset market has been fully analyzed; in the research of stock price index correlation between different countries, the existing literature has studied and analyzed the correlation of stock prices between developed countries and between developed countries and emerging markets, among which the correlation between China and the United States stock market prices is one of the key focuses of the existing literature; in the research of stock correlation of the In terms of the use of new research techniques, the existing literature not only uses new technical methods such as machine learning and deep learning, but also applies techniques such as text mining to stock price correlation research. This paper not only summarizes the main research ideas, but also analyzes and summarizes the insufficient research areas, which provides direction suggestions for future academic research.