Japanese Rubber 0 1 to 12 of Tokyo Industrial Exchange (so-called Tokyo Futures) respectively represent rubber futures contracts delivered in the corresponding month, Japanese Rubber 09 refers to rubber futures contracts delivered in September 2009, and Japanese Rubber 10 refers to rubber futures contracts delivered in June 2009. Japanese rubber 1 1 and Japanese rubber 12, etc., Japanese rubber 0 1 and Japanese rubber 02 refer to futures contracts delivered in June and February respectively.

For rubber futures contracts of Tokyo Industrial Exchange, Japan, the quotation unit is yen/kg, and the trading unit of each futures contract is 5000 kg, that is, 5 tons.