Futures trading is owned by Chicago Board of Trade (CBOT), Chicago Mercantile Exchange (CME), Minneapolis Grain Exchange (MGEX), the New York Mercantile Exchange (NYBOT) and the New York Mercantile Exchange (NYMEX). Long-term trading methods such as LIFFE and IPE. In foreign countries, futures conversion is not only used in commodity futures trading, but also widely used in financial instruments trading. Almost all kinds of futures and options on the Chicago Mercantile Exchange (CME) can be converted into futures.

1999 In Minneapolis Grain Exchange, the trading volume of spring wheat was 1,19,812, the current volume was146,014, and the average daily cash volume was 582. The total trading volume of the New York Mercantile Exchange futures (including financial futures) is 8,645,393, and the cash conversion volume is 482,204.

Spot futures is a very popular delivery method for low-sulfur crude oil contracts in the New York Mercantile Exchange (NYMEX). According to the report of Commodity Exchange Management Committee (1987), the cash transfer of crude oil futures contracts increased from 5097 in 1983 to 297688 in 1986.

200 1, 65438 On July 9, the volume of Brent crude oil on London International Petroleum Exchange was 3062, and the volume of that day was 5 13 12. In the transaction on June 7, one contract month was converted into cash, which was equivalent to more than 30% of the total transaction of the contract month, and the lowest was equivalent to 20% of a contract month. Under normal circumstances, the cash conversion of Brent crude oil accounts for about 10% of the trading volume.