
DTN analyst Alan Brugler reviews how USDA handled derecho damage in its September reports, noting NASS will re-survey Iowa producers for the October report because insurance settlements and harvested-acreage decisions remain unresolved. Winds exceeded 100 mph in places, and August was hot and dry across much of the Corn Belt.
Uncertainty over harvested acreage and yield keeps the size of the US corn crop unsettled, which supports feed grain prices until the October report clarifies supply.
After 1,040 past bullish report events, Corn moved a median +0.5% over 5 sessions (62% higher; middle half -0.9% to +2.0%), and +0.8% 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.