东京工业品交易所铂金期货主力合约收报3337日圆/克，较上一交易日上涨17圆/克。      
以下是TOCOM 7月21日铂金期货行情:                                                
合约      昨收    开盘    最高    最低    收盘    涨跌  成交量                  
17/08月   3,327   3,320   3,348   3,320   3,345   18      137                   
17/10月   3,327   3,320   3,349   3,320   3,345   18      85                    
17/12月   3,332   3,321   3,350   3,321   3,348   16      24                    
18/02月   3,331   3,330   3,352   3,321   3,347   16      141                   
18/04月   3,325   3,324   3,353   3,315   3,342   17      1,136                 
18/06月   3,320   3,319   3,348   3,311   3,337   17      10,592                
合计                                                      12,115                
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。