东京工业品交易所铂金期货主力合约收报3,449日圆/克，较上一交易日上涨54日圆/克。  
以下是TOCOM 4月18日铂金期货行情:                                               
合约      昨收    开盘    最高    最低    收盘    涨跌  成交量                 
17/04月   3,410   3,410   3,464   3,410   3,462   52    50                     
17/06月   3,406   3,420   3,461   3,420   3,459   53    190                    
17/08月   3,401   3,401   3,453   3,400   3,452   51    37                     
17/10月   3,402   3,404   3,458   3,404   3,452   50    89                     
17/12月   3,396   3,399   3,457   3,399   3,449   53    659                    
18/02月   3,395   3,396   3,457   3,396   3,449   54    8,529                  
合计                                                    9,554                  
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。