东京工业品交易所白银期货主力合约收报58.5日圆/克，较上一交易日上涨0.9圆/克。  
以下是TOCOM 4月19日白银期货行情:                                             
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量              
18/04月   57.3    58.3    58.3    58.3    58.3    1       1                  
18/05月   57.5    57.5    58.4    57.5    58.4    0.9     4                  
18/06月   57.4    58      58.7    58      58.7    1.3     2                  
18/10月   57.5    58      58.5    58      58.5    1       3                  
18/12月   57.5    57.5    58.6    57.5    58.3    0.8     115                
19/02月   57.6    57.6    58.8    57.4    58.5    0.9     127                
合计                                                      252                
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。