股票指数合约 Stock Index contracts ■在本国和国外都有效 Available on both domestic and international stocks ■优于直接购买股票 Advantages over direct stock purchase 交易成本低 lower transaction costs 有好的时效性和组合策略 better for timing or allocation strategies 不用时间去考虑组合问题 takes less time to acquire the portfolio 22-1522-15 股票指数合约 Stock Index Contracts 在本国和国外都有效 Available on both domestic and international stocks 优于直接购买股票 Advantages over direct stock purchase – 交易成本低lower transaction costs – 有好的时效性和组合策略 better for timing or allocation strategies – 不用时间去考虑组合问题 takes less time to acquire the portfolio