9月3日,股指期货主力合约低开,截至9:28,主力合约IF1209报2209.4点,跌幅0.67%;IF1210合约报2222.4点,跌幅0.68%;IF1212合约报2248.6点,跌幅0.65%;IF1303合约报2281.0点,跌幅0.57%。