品种 结算价  开盘    最高   最低    收盘   涨跌
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   6457    6509    6541.5 6453    6488   +10
   2068    2100.5  2107.5 2071    2085   -13
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     成交量    持仓     增减    库存     增减
-----------------------------------------------
铜   278757                    304350   +28325
铝   705406                    1313400  -2375
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