
The 2019 Upper Mississippi River shipping season started late, with the first tow reaching St. Paul on April 24 after historic flooding and lock closures. Barges were stacked up in late summer and fall due to a delayed harvest.
Flood-driven disruption and a late harvest reduced barge movements in 2019, a pattern that weighs on Midwest basis and barge freight but is backward-looking for current pricing.
Not enough comparable past events yet for a historical read.
After 284 past neutral logistics events, CORN moved a median -0.0% over 5 sessions (49% higher; middle half -1.3% to +1.4%), and -0.2% over 20.
After 230 past neutral logistics events, SOY moved a median +0.4% over 5 sessions (55% higher; middle half -1.4% to +2.0%), 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.