The results suggest there is the long-run equilibrium relationship between DCE and CBOT futures markets.The variance value of CBOT, DCE, TGE respective is 40.529%, 32.903% and 26.568%.

• 结果发现：大连与芝加哥交易所的期货价格之间存在长期均衡关系，总方差中来自于芝加哥、大连和东京交易所分别为40.；529%25、32