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Water levels on the Mississippi near St. Louis and Memphis are lower in 2026 than in several previous low-water years as harvest approaches. Shippers fear a fifth consecutive low-water year, which could narrow the navigation channel during the October to December export peak.
Nearly 60% of U.S. soybean exports reach final destinations via the Mississippi and Gulf ports.
A shallow channel during peak export season would raise barge freight and widen soybean basis, supporting Gulf export premiums.
iasoybeans.comIowa Soybean AssociationSep 3, 2026Not enough comparable past events yet for a historical read.
After 297 past bearish logistics events, SOY moved a median +0.3% over 5 sessions (54% higher; middle half -1.5% to +1.8%), and +0.7% 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.
