2017年9月，芝加哥商品交易所煤炭期貨和期權(quán)市場(chǎng)的交易量同比增長(zhǎng)90%，達(dá)到6052.1萬(wàn)噸，是8月交易量的兩倍。

September 2017 saw a 90% increase in volumes on the previous month with a total of 60,521,000 metric tonnes traded at CME across both the coal futures and the options markets – double the volume of August trading.