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1引言大部分海外实证检验的情况可以发现,大部分的研究结论支持股指期货市场非弱有效,而是半强式有效的。这表明大多数的研究认为,股指期货市场的市场价格已经能够反映历史交易数据中所包含的信息,而且还能反映与股
1 Introduction Most overseas empirical tests show that most of the research findings support the stock index futures market as weakly effective and semi-empirically effective. This shows that most studies think that the market price of the stock index futures market has been able to reflect the information contained in the historical transaction data, but also reflect the stock