在引言中，给出股指期货定义是指以股票指数为基础交易物的期货合同。

In the preface, the stock Index futures is defined as a futures contract based on stock indices.

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在引言中，给出股指期货定义是指以股票指数为基础交易物的期货合同。

In the preface, the stock Index futures is defined as a futures contract based on stock indices.

youdao