In the last week of the report on November 14, 2017, the wheat speculators in Chicago have withdrawn from the seller's warehouse. With 16,609 contracts, net short positions fell to 108,576 contracts. The courses in Chicago showed little movement.
By contrast, the ware-house stock widened significantly among the corn speculators in Chicago. With a plus of 24,932 contracts at the end of the reference week, there were 230,556 net short positions. This peak / increase put the prices under considerable pressure.