Indexes aren’t just important for index funds. By creating a virtual portfolio that represents the “market” (or a specific style of sector), they also establish a “typical” return and risk level that ...

Abstract: In a recent research paper, we use the text of the People’s Daily to develop the Policy Change Index (PCI) for China, a machine-learning-based predictor of China’s policy changes. In this ...

An index fund is a type of mutual fund that either buys all or a representative sample of securities in a specific index, such as the S&P 500. Instead of being actively managed by fund managers, index ...