According to the weekly analysis of the Mato Grosso Institute of Agricultural Economics (Imea), released on Monday (27), the price of corn in the current CME Group contract registered an increase of 1.70% between October 20 and 24, closing the average at US$ 4.24 per bushel. According to the institute, the appreciation was driven by the increase in domestic demand from the United States for ethanol production, coupled with the strengthening of external market demand.