
A Reuters column warns that La Niña's return could again threaten South American crops. Brazil's second corn crop was badly hit by drought and frost this year, and Parana's second corn yields were about half of normal.
A renewed La Niña would raise the risk of another dry season in Brazil and Argentina, tightening corn and soybean export supplies and supporting prices.
After 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, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.4% to +2.0%), and +0.9% 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.