Historical Futures Prices: SGX Fuel Oil 380cst Futures, December 2016 (FBZ2016), December 2016. The SGX Fuel Oil 380cst Futures contract is developed based on Residual Marine Grade ISO 8217. The contract will be electronically traded on SGX Quest and will be physical delivery at Approved Oil Installations in Singapore. Trading Unit: 100 tonnes (1 lot). Minimum Deliverable Size: 20 lots.