东京工业品交易所白银期货主力合约收报57.9日圆/克，较上一交易日上涨0.6圆/克。     
以下是TOCOM 5月7日白银期货行情:                                                 
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量                 
18/06月   58      -       -       -       -       0       -                     
18/08月   58.1    -       -       -       -       0       -                     
18/10月   58.3    -       -       -       -       0       -                     
18/12月   57.7    58.3    58.3    58.3    58.3    0.6     1                     
19/02月   57.3    57.5    58.2    57.5    57.9    0.6     43                    
19/04月   57.3    57.5    58.4    57.5    57.9    0.6     38                    
合计                                                      82                    
注:1.单位:日圆/克；成交量单位:手。                                              
2.最小价格变动单位日圆/克。