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Soybeans were mixed as spreads adjusted at month end, with 58% of US beans rated good to excellent. Unknown buyers booked 159,000 tons of new-crop US beans, and corn ended slightly higher on hot, dry Corn Belt weather.
Wheat took profits.
Hot, dry weather in the Corn Belt raises late-season yield risk, which supports corn and soybean prices, although month-end spread adjustments kept moves modest.
brownfieldagnews.comJohn PerkinsAug 31, 2026After 1,465 past bullish weather events, CORN moved a median +0.2% over 5 sessions (54% higher; middle half -1.4% to +1.9%), and +0.9% over 20.
After 1,079 past bullish weather events, SOY moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% over 20.
After 18 past neutral weather events, SBO moved a median +2.6% over 5 sessions (72% higher; middle half -0.4% to +3.5%), and +3.6% over 20.
After 55 past neutral weather events, SBM moved a median -0.1% over 5 sessions (47% higher; middle half -1.7% to +1.5%), and +0.1% 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.
