HedgeFund, whose English name means "hedge fund", originated in the United States in the early 1950s. The purpose of its operation is to use financial derivatives such as futures and options, as well as the operational skills of buying and selling different related stocks and hedging risks to avoid and resolve the risks of securities investment to a certain extent.

Quantum Fund is a world-famous large-scale hedge fund and one of the five largest hedge funds run by American financier george soros.

Quantum Fund evolved from Double Eagle Fund. The Double Eagle Fund was founded by Soros and jim rogers on 1969 with a capital of 4 million US dollars. The fund was established in new york, but its investors are all foreign investors who are not American nationals, thus avoiding the supervision of the US Securities and Exchange Commission. 1973, Shuang Ying Fund was renamed Soros Fund with a capital of about120,000 USD. 1979, Soros renamed the company Quantum Company. By the end of 1997, Quantum Fund has become a giant fund with total assets of nearly $6 billion. By the end of 1996, 1 10,000 dollars injected by Quantum Fund had increased to 300 million dollars, an increase of 30,000 times.