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品种 结算价  开盘    最高   最低    收盘   涨跌
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   6538.5  6578    6571   6582    6571   +7
   1992    2014    2010.5 2018    2010.5 +0.5
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     成交量    持仓     增减    库存     增减
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铜                             195150   +1175
铝                             1094525  -3050
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