7月30日纽约商品交易所白银行情如下(报价单位:美分/盎司):
---------------------------------------------------
合约 开盘 最高 最低 结算 涨跌
Aug 650.0 655.0 65.5 655.0 Up 20.5<
Sep 636.5 665.0 634.0 656.0 Up 20.5<
Oct 657.5 unch<
Dec 637.5 669.0 637.5 659.2 Up 20.6<
Jan 660.0 Up 20.6<
Mar 656.0 662.5 655.0 662.5 Up 20.6<
May 664.7 Up 20.6<
Jul 659.0 666.8 659.0 666.8 Up 20.6<
Sep 668.8 Up 20.6<
Dec 655.0 672.0 655.0 671.7 Up 20.6<
Jan 673.3 Up 20.6<
Mar 675.9 Up 20.6<
May 677.9 Up 20.6<
Jul 680.1 Up 20.6<
Dec 683.8 Up 20.6<
Jul 688.6 Up 20.6<
Dec 692.6 Up 20.6<
Jul 693.3 Up 20.6<
Dec 694.6 Up 20.6<
Jul 700.6 unch<
----------------------------------------------------