Although the net short positions when the wheat speculator in Chicago have increased significantly during the reporting period to the 07.03.2017 to 63.180 contracts, you could recover the wheat prices in Chicago during the same period. A few days later, prices have fallen but accordingly.
The net long positions in the corn speculators in Chicago has remained unchanged in recent weeks. 80.081 contracts during the reporting period to the 07.03.2017 the level remains high, the courses have changed accordingly.