东京工业品交易所橡胶期货主力合约收报217.3日圆/千克，较上一交易日上涨2.3日圆/千克。           
以下是TOCOM 4月28日橡胶期货行情:                                                             
合约      昨收    开盘    最高    最低    收盘    涨跌    成交量                             
17/05月   260     260     263.6   260     263.1   3.1     288                                
17/06月   231.7   232.2   236.4   231.7   235.4   3.7     75                                 
17/07月   222     223     227.7   222.8   226     4       243                                
17/08月   219.1   220.1   224.4   219.9   222.1   3       513                                
17/09月   217     217.2   221.6   216.2   219.1   2.1     3,090                              
17/10月   215     215.7   220     214     217.3   2.3     6,007                              
合计                                                      10,216                             
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。