是指交易所按照一定规则反复交易的标准化金融商品合约。这种合约在成交时双方对规定品种、数量的金融商品协定交易的价格、在一个约定的未来时间按协定的价格进行实际交割,承担着在若干日后买进或卖出该金融商品的义务和责任。上世纪70年代,世界金融市场日益动荡不安,利率、汇率、股市急剧波动,为了适应投资者对于规避价格风险、稳定金融 Refers to the Exchange in accordance with certain rules of repeated transactions of standardized financial products contract. When the contract is concluded, both parties will actually deliver the agreed transaction price at the agreed future price for the transaction of the specified type and quantity of financial products, bear the obligation to buy or sell the financial product after a certain number of days and responsibility. 70s of last century, the world financial markets are increasingly volatile, interest rates, exchange rates, the stock market volatility, in order to adapt to investors to avoid price risk, stabilize the financial