品种 结算价  开盘    最高   最低    收盘   涨跌
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   6639    6700    6665   6700    6667   -33
   2121.5  2157    2146   2157    2154   -17
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     成交量    持仓     增减    库存     增减
-----------------------------------------------
铜                             293450   -2625
铝                             1246875  -2475
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