The following details are introduced:

1. International Futures Exchange Chicago Mercantile Exchange (CME): CME is the largest futures exchange in the United States and the second largest exchange in the world to buy and sell futures and futures option contracts. The Chicago Mercantile Exchange provides investors with many financial and agricultural transactions.

2. Chicago Board of Trade (CBOT): CBOT is the largest and most representative agricultural product exchange in the world. /kloc-At the beginning of the 9th century, Chicago was the largest grain distribution center in the United States. With the continuous concentration of grain trading and the development of forward trading methods, 82 grain traders initiated the establishment of the Chicago Board of Trade on 1848. Since its establishment, the trading rules have been continuously improved. The Chicago Board of Trade not only provides futures trading for agricultural products such as corn, soybeans and wheat, but also provides futures trading markets for medium and long-term US Treasury bonds, stock indexes, municipal bond indexes, gold and silver, and provides options trading for agricultural products, finance and metals.

3. the New York Mercantile Exchange (NYMEX): NYMEX is the third largest futures exchange in the United States and the largest physical commodity exchange in the world. Established in 1872, this exchange is located in downtown Manhattan and provides futures and options trading of energy and metals, mainly energy products and metals, and the prices generated are the benchmark prices in the global market. The contract is traded through the GLOBEX electronic trading system of the Chicago Mercantile Exchange and cleared through the clearing house of the New York Mercantile Exchange.