东京工业品交易所黄金期货主力合约收报4,485日圆/克，较上一交易日上涨18日圆/克。  
以下是TOCOM 4月21日黄金期货行情:                                               
合约     昨收    开盘    最高    最低    收盘    涨跌  成交量                  
17/04月  4,480   4,503   4,510   4,493   4,496   16    16                      
17/06月  4,478   4,478   4,503   4,478   4,494   16    46                      
17/08月  4,472   4,476   4,496   4,476   4,490   18    63                      
17/10月  4,467   4,472   4,491   4,472   4,482   15    123                     
17/12月  4,464   4,468   4,490   4,465   4,482   18    1,143                   
18/02月  4,467   4,472   4,493   4,468   4,485   18    17,452                  
合计                                                   18,843                  
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。