
The August WASDE surprised markets with a smaller corn acreage decline than pre-report estimates, and CBOT December corn fell 24.4 cents to a low of $3.706 per bushel. USDA raised its ending stocks estimate by 8.5%, to 2,181 million bushels, and lifted its wheat yield to 51.6 bushels per acre.
KC HRW wheat fell 24.8 cents on Monday before partly recovering.
The larger-than-expected corn supply and higher stocks outlook pressure corn and wheat prices. Feed buyers face lower corn costs, while the market watches export sales for support.
After 1,102 past bearish report events, CORN moved a median -0.2% over 5 sessions (47% higher; middle half -1.8% to +1.3%), and +0.0% over 20.
After 138 past bearish report events, KWHEAT moved a median +0.0% over 5 sessions (50% higher; middle half -2.9% to +2.4%), and +0.5% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
It reports KC HRW wheat falling 24.8 cents on the WASDE Monday, driven by higher corn stocks and a raised US wheat yield, which matches the size of the move, though it was published later and describes the same event as the WASDE.