Then describes the basic principles and methods of arbitrage and margin trading business, explain how to use the ETF to achieve small investors stock index futures arbitrage and reverse arbitrage forward and develop a simple and feasible arbitrage strategies. 然后介绍套利的基本原理和方法及融资融券业务,阐述中小投资者如何利用ETF实现股指期货正向套利与反向套利,并制定一套简单可行的套利策略。