7月21日纽约商品交易所白银行情如下(报价单位:美分/盎司):
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合约 开盘 最高 最低 结算 涨跌
Jul 650.0 650.0 635.0 639.7 Down 20.2<
Aug 640.3 Down 20.2<
Sep 661.5 661.5 634.0 641.0 Down 20.2<
Dec 662.0 662.5 636.0 644.2 Down 20.2<
Jan 645.0 Down 20.2<
Mar 650.0 650.0 640.0 647.3 Down 20.1<
May 649.5 Down 19.6<
Jul 646.0 646.0 646.0 651.5 Down 19.3<
Sep 653.5 Down 19.0<
Dec 657.0 657.0 657.0 656.2 Down 18.7<
Jan 657.3 Down 18.7<
Mar 659.4 Down 18.7<
May 661.1 Down 18.7<
Jul 663.0 Down 18.7<
Dec 666.7 Down 18.7<
Jul 671.5 Down 18.7<
Dec 675.5 Down 18.7<
Jul 676.2 Down 18.7<
Dec 677.5 Down 18.7<
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