东京工业品交易所白银期货主力合约收报61.7日圆/克，较上一交易日持平。              
以下是TOCOM 10月18日白银期货行情:                                                
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量                  
17/10月   61.7    -       -       -       -       0       -                      
17/12月   61.2    -       -       -       -       0       -                      
18/02月   62.3    -       -       -       -       0       -                      
18/04月   61.9    -       -       -       -       0       -                      
18/06月   61.8    61.6    61.6    61.5    61.5    -0.3    3                      
18/08月   61.7    61.8    61.8    61.6    61.7    0       3                      
合计                                                      6                      
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。