东京工业品交易所橡胶期货主力合约收报146.4日圆/千克，较上一交易日上涨3日圆/千克。  
以下是TOCOM 12月12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       148                       
19/02月   137.8   137.8   137.8   137.8   137.8   0       156                       
19/03月   143.6   143.6   143.6   143.6   143.6   0       188                       
19/04月   142.3   142.3   144.4   141.9   144.4   2.1     325                       
19/05月   143.2   143.2   145.8   143.2   145     1.8     427                       
19/06月   143.4   143.4   147.2   143.4   146.4   3       1,208                     
合计                                                      2,452                     
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。