China Financial Futures Exchange (CFFEX) has been studying and discussing the relevant work, impelling Share Price Index Futures (SPIF) to play an active market function.
中金所一直在研究论证相关工作，促使股指期货发挥积极的市场功能。
One of the important function of index futures is price discovery.
股指期货套利的一大重要功能就是价格发现。
Price discovery is a basic function of ETF market, so that it's an important index to judge 50etf is a successful innovative product or not according to its function of price discovery.
价格发现功能是ETF市场的一个基本功能，上证50 ETF是否具备价格发现功能是衡量ETF推出是否成功的一个重要指标。
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