衍生金融工具是在传统金融工具的基础上派生出来的,通过预测股价、利率、汇率等未来行情走势,采用支付少量保证金,签订跨期合同或互换不同金融工具等交易形式的新兴金融工具。因其具有规避风险、降低交易成本、减少信息的非对称性和“以小博大”的杠杆作用,所以近二十年来... Derivative financial instruments are derived from traditional financial instruments. By forecasting future market movements such as stock prices, interest rates and exchange rates, they adopt emerging financial instruments such as paying a small amount of bonds, signing intertemporal contracts or trading different forms of financial instruments. Because of its risk aversion, lower transaction costs and reduce the asymmetry of information and “small and medium-sized” leverage, so the past two decades ...