东京工业品交易所白银期货主力合约收报58.6日圆/克，较上一交易日下跌0.1圆/克。 
以下是TOCOM 5月22日白银期货行情:                                            
合约      昨收    开盘    最高    最低    收盘    涨跌   成交量             
18/06月   58.4    58.8    58.8    58.7    58.7    0.3     2                 
18/08月   58.6    58.5    58.6    58.5    58.6    0       2                 
18/10月   58.5    58.6    58.7    58.6    58.7    0.2     2                 
18/12月   58.5    58.7    58.8    58.6    58.6    0.1     11                
19/02月   58.6    58.6    58.8    58.5    58.6    0       38                
19/04月   58.7    58.4    59      58.4    58.6    -0.1    58                
合计                                                      113               
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。