65438+ October, May and September. According to Ai Xincai's inquiry, the option contract of Shanghai Copper is from June 2006 10 to August 2008, in which June 1, May and September are the main contract periods. The main force of Shanghai Copper is futures, with futures number CU888. Futures is a financial contract, including the sale of financial instruments or physical goods to be delivered in the future (usually on a commodity exchange). The value of a futures contract to an index or commodity at a future date.