交割月份前结算今开盘最高价最低价收盘价结算参考价涨跌1涨跌2成交手成交额持仓手/变化商品名称:铜(BC)24056815068590701206833070020689701870820117240421.855458392406683906882070430685707031069260192087017768615393.5119527405240768