z*e2013-05-02 07:052 楼Should be the same except for dividends. Intraday shall be almost identical. Spx index may have a bit of lag at the open due to opening of allconstituents★ 发自iPhone App: ChineseWeb 7.8【在 m*****y 的大作中提到】: 弱弱的问: 为何 SPY的走势与SP 500不完全相同啊?