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品种 结算价  开盘    最高   最低    收盘   涨跌
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   6797    6835    6786   6835    6795   -13
   2090    2105    2101   2105    2105.5 +12.5
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     成交量    持仓     增减    库存     增减
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铜                             260150   +425
铝                             1168375  -3600
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