东京工业品交易所黄金期货主力合约收报4,593日圆/克，较上一交易日上涨5日圆/克。  
以下是TOCOM 5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                 
18/06月  4,595   4,597   4,605   4,597   4,604   9       35                   
18/08月  4,596   4,602   4,604   4,602   4,604   8       14                   
18/10月  4,595   4,588   4,604   4,587   4,600   5       51                   
18/12月  4,594   4,595   4,604   4,587   4,602   8       261                  
19/02月  4,588   4,590   4,599   4,581   4,595   7       2,068                
19/04月  4,588   4,589   4,598   4,579   4,593   5       16,948               
合计                                                     19,377               
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。