
Pro Farmer projected a record 2025 U.S. corn harvest after ideal summer weather, but said the crop will fall short of USDA's outlook. Fungal diseases including tar spot and southern rust, plus heat stress, dented yields in spots, and sudden death syndrome was noted in soybeans.
Futures had already fallen to multi-year lows.
A record crop expectation adds to ample U.S. corn and soybean supply, which keeps prices pressured. Disease losses that exceed current estimates would be the main upside risk to prices.
After 175 past bearish disease events, CORN moved a median +0.0% over 5 sessions (51% higher; middle half -1.7% to +1.5%), and +0.6% over 20.
After 50 past bearish disease events, SOY moved a median +0.5% over 5 sessions (58% higher; middle half -1.7% to +2.4%), and +0.0% 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.