东京工业品交易所白银期货主力合约收报55.4日圆/克，较上一交易日下跌0.7日圆/克。  
以下是TOCOM 7月20日白银期货行情:                                               
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量                
18/08月   56.4    55.5    55.5    55.3    55.3    -1.1    4                    
18/10月   56.6    55.2    55.4    55.2    55.4    -1.2    2                    
18/12月   56.1    55.2    55.3    55.1    55.3    -0.8    6                    
19/02月   56      55.5    55.5    55.2    55.2    -0.8    8                    
19/04月   56      55.8    55.8    55.2    55.2    -0.8    4                    
19/06月   56.1    55.8    56.3    55.2    55.4    -0.7    65                   
合计                                                      89                   
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。