The Boshi S&P 500 Index Fund is a passive investment stock index fund that mainly uses a complete replication strategy to track the S&P 500 Index in the US market. The English abbreviation of the Standard & Poor's 500 Index is S&P 500 Index, which is a stock index that records 500 listed companies in the United States. This stock index is created and maintained by Standard & Poor's. The S&P 500 Index is a relatively well-known stock index in the global capital market and is widely used to represent the development trends of the U.S. stock market. The 500 constituent stocks of the S&P 500 Index cover 500 representative companies in major industries in the U.S. economy. They are widely held by individual and institutional investors, and their total market value covers more than 75% of the U.S. stock market. The index takes into account industry representativeness, market capitalization, liquidity and other factors in compilation to adjust the weighting of circulating market capitalization, so it has high market representativeness, liquidity and investability. The fund invests primarily in underlying index constituent stocks and alternative constituent stocks. The fund can also invest in other financial instruments with good liquidity in the global securities market, including common stocks, preferred stocks, depositary receipts listed and traded in the securities market, public funds, warrants, options, futures and other financial derivatives, structural Investment products, bank deposits, repurchase agreements, short-term government bonds and other money market instruments, government bonds (except short-term government bonds), corporate bonds, convertible bonds and other fixed-income securities, and other financial instruments that the China Securities Regulatory Commission allows the fund to invest in ( However, it must comply with relevant regulations of the China Securities Regulatory Commission).