东京工业品交易所白银期货主力合约收报58.9日圆/克，较上一交易日下跌0.4日圆/克。      
以下是TOCOM 6月21日白银期货行情:                                                   
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量                    
17/06月   59.7    -       -       -       -       0       -                        
17/08月   59.4    59.2    59.2    59.2    59.2    -0.2    3                        
17/10月   61.4    -       -       -       -       0       -                        
17/12月   59.9    59.2    59.2    58.7    58.7    -1.2    3                        
18/02月   59.1    59      59      58.9    58.9    -0.2    5                        
18/04月   59.3    59.5    59.8    58.8    58.9    -0.4    117                      
合计                                                      128                      
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。