Rapeseed oil futures are futures varieties with rapeseed oil as the underlying, referred to as rapeseed oil futures, which are listed on the Zhengzhou Commodity Exchange. According to relevant regulations, the trading code of rapeseed oil futures contract is OI, the trading unit is 10 tons each, the minimum change price is 1 yuan per ton, the contract delivery month is 1, 3, 5, 7, 9, November.