UK and Chicago grain futures closed lower on 20 January as improved South American weather and expected US Great Plains rains eased prices. The analysis says global prices remain supported by low US maize stocks and dryness in South America, and that the Brazilian safrinha crop is the main remaining supply risk.
The safrinha crop is the swing factor for global maize supply, so its outcome will decide whether current price support holds or fades.
After 445 past neutral weather events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.4% to +1.6%), and +0.7% over 20.
After 224 past neutral weather events, Wheat (SRW) moved a median -0.1% over 5 sessions (46% higher; middle half -1.4% to +1.5%), and +0.4% over 20.
After 363 past bearish weather events, Soybeans moved a median -0.6% over 5 sessions (42% higher; middle half -2.5% to +1.1%), 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.