
A North Dakota State University economist said China, COVID-19 and ethanol were all influencing crop prices and creating confusion in the market. He said uncertainty over US corn yields after a mid-August windstorm in Iowa was real, but the impact on national supply would be relatively small.
He described USDA data as frequently criticized.
Expected national corn supply remains ample, so the Iowa storm damage is unlikely to move prices much, though ethanol demand and China trade remain swing factors.
Not enough comparable past events yet for a historical read.
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.