沪深两市波动率与交易量之间为正相关关系，且存在共同的长记忆性。
Third, the volatility and trading volume of China's stock market have a positive correlation, and there is a common long-term memory between them.
随着沪深300指数被确立为我国股指期货交易的标的指数，我国的股指期货交易已被推上日程。
With the HuShen300 index has been established as the subject of stock index futures, stock index futures of our country has been put on the agenda.
2010年4月16日，酝酿已久的沪深300股指期货合约正式上市交易。
The long-awaited CSI 300 stock index futures contracts traded on April 16, 2010.
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