The empirical results show that the volume has positive and the open interest has negative impact on volatility of returns respectively.
实证结果表明，交易量与期货价格收益之间具有正向关系，空盘量与期货价格收益之间具有负向关系。
The empirical results show that the volume has positive and the open interest has negative impact on volatility of returns respectively.
实证结果表明，交易量与期货价格收益之间具有正向关系，空盘量与期货价格收益之间具有负向关系。
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