东京工业品交易所铂金期货主力合约收报3,469日圆/克，较上一交易日下跌4日圆/克。   
以下是TOCOM 3月22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  3,484   3,491   3,522   3,473   3,473   -11    20                     
17/06月  3,472   3,510   3,510   3,470   3,475   3      41                     
17/08月  3,476   3,513   3,513   3,466   3,473   -3     51                     
17/10月  3,476   3,478   3,512   3,467   3,472   -4     40                     
17/12月  3,472   3,474   3,516   3,466   3,467   -5     576                    
18/02月  3,473   3,476   3,518   3,468   3,469   -4     8,617                  
合计                                                    9,345                  
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。