
CONICET and INTA researchers launched AgroENSO, a free tool that maps 35 years of yield data against El Niño and La Niña phases for Argentina's main field crops. Argentina's weather service puts the chance of El Niño persisting through October near 100%.
The tool helps buyers gauge how the 2026-27 Argentine crop may respond to El Niño, but it does not itself move prices.
After 2,467 past weather events, Corn moved a median +0.1% over 5 sessions (51% higher; middle half -1.5% to +1.7%), and +0.6% over 20.
After 1,964 past weather events, Soybeans moved a median +0.1% over 5 sessions (51% higher; middle half -1.7% to +1.8%), and +0.3% over 20.
After 1,773 past weather events, Wheat (SRW) moved a median +0.1% over 5 sessions (52% higher; middle half -1.5% to +2.1%), and +0.2% over 20.
After 361 past weather events, Palm Oil moved a median +0.0% over 5 sessions (51% higher; middle half -1.3% to +1.3%), and -0.2% 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.