Historical Futures Prices: Thermal Coal Futures, June 2017 (CFFM2017), June 2017. Coal, together with oil and natural gas, is one of the fuel sources used for electricity generation. It is one of the major bulk commodities transported by dry-bulk vessels from coal exporting countries such as Australia to Asia. The Exchange offers Coal derivatives products for trading and clearing. The Exchange has listed futures on the following two indices - (a) API 8 CFR South China Coal and (b) IHS McCloskey Indonesian Sub-Bituminous FOB marker. These derivative products are aimed to meet the coal industry's demand for an effective tool for hedging and counterparty credit risk mitigation. Contract Size: 1 lot = 100 metric tonnes. Minimum Price Fluctuation: US$0.01 per metric tonne.