东京工业品交易所白银期货主力合约收报53.7日圆/克，较上一交易日下跌0.2日圆/克。   
以下是TOCOM 4月15日白银期货行情:                                                
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量                 
19/04月   54.2    54.2    54.2    52.4    52.8    -1.4    14                    
19/06月   54.4    54.1    54.1    53      53      -1.4    14                    
19/08月   53.9    54.2    54.2    53.2    53.2    -0.7    8                     
19/10月   54.5    54.2    54.2    53.5    53.5    -1      3                     
19/12月   53.7    54.5    54.7    54.5    54.5    0.8     3                     
20/02月   53.9    54.7    54.7    53.7    53.7    -0.2    29                    
合计                                                      71                    
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。