东京工业品交易所橡胶期货主力合约收报144.9日圆/千克，较上一交易日下跌0.7日圆/千克。 
以下是TOCOM 12月6日橡胶期货行情:                                                   
合约      昨收    开盘    最高    最低    收盘    涨跌    成交量                   
19/01月   140.6   140.6   140.6   140.6   140.6   0       88                       
19/02月   137.8   137.8   137.8   137.8   137.8   0       88                       
19/03月   143.6   143.6   143.6   143.6   143.6   0       88                       
19/04月   144.2   144.2   144.5   142.4   143.3   -0.9    394                      
19/05月   144.6   145     146.6   143     144     -0.6    437                      
19/06月   145.6   145.6   146.9   144.3   144.9   -0.7    649                      
合计                                                      1,744                    
注:1.单位:日圆/千克；成交量单位:手。                                               
2.最小价格变动单位日圆/千克。