
US grain and soybean futures hit multi-week lows on August 31 as Hurricane Ida caused power outages and damage to Gulf Coast export facilities. Cargill's elevator was damaged, ADM closed New Orleans operations, and CHS warned a facility may lack power for weeks.
The Gulf Coast handles about 60% of US exports, so prolonged closures would delay shipments and widen basis, pressuring cash prices while raising freight costs for feed buyers.
After 359 past bearish logistics events, Corn moved a median -0.3% over 5 sessions (44% higher; middle half -1.5% to +1.5%), and -0.5% over 20.
After 297 past bearish logistics events, Soybeans moved a median +0.3% over 5 sessions (54% higher; middle half -1.5% to +1.8%), and +0.7% over 20.
After 137 past bearish logistics events, Wheat (SRW) moved a median -0.3% over 5 sessions (44% higher; middle half -2.2% to +1.0%), and +0.0% over 20.
Not enough comparable past events yet for a historical read.
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.