
Low water on the lower Mississippi has persisted for a third year, with Memphis gauge readings falling below zero feet in October. Forecasts showed further declines, and the river carries a large share of U.S. corn and soybean exports.
Shallow drafts cut barge loads and raise per-bushel freight, tightening effective export capacity and supporting Gulf basis and barge rates.
Not enough comparable past events yet for a historical read.
After 285 past bullish logistics events, Corn moved a median +0.1% over 5 sessions (52% higher; middle half -1.5% to +1.5%), and +0.8% over 20.
After 206 past bullish logistics events, Soybeans moved a median +0.5% over 5 sessions (56% higher; middle half -1.3% to +2.6%), and +1.4% 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.