东京工业品交易所白银期货主力合约收报52.9日圆/克，较上一交易日持平。  
以下是TOCOM 10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      
18/10月   52.9    -       -       -       -       0       -          
18/12月   52.8    -       -       -       -       0       -          
19/02月   52.7    -       -       -       -       0       -          
19/04月   52.9    -       -       -       -       0       -          
19/06月   52.2    53      53      52.5    52.6    0.4     5          
19/08月   52.9    53.5    53.5    52.6    52.9    0       31         
合计                                                      36         
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。