Grain traders from commodity fund managers to the big multinational agribusinesses have consistently complained about the lack of profitable trading opportunities during the past five years or so. Big crops and large stockpiles of corn, wheat and soybeans in both the U.S. and the world drove prices for those commodities to low levels and dampened price volatility despite record demand. U.S. trade disputes/disruptions with China and other countries have also reduced U.S. export volumes and trading opportunities. In addition to the lack of price volatility, grain traders and users have been frustrated by the growth of on-farm storage capacity that has allowed farmers in the U.S. and other major producing countries to retain their crop produc...