
Basis bids for corn and soybeans shipped by barge to the US Gulf were steady and export premiums firmed on Monday. Low water on the Ohio and Mississippi rivers kept barge prices higher, and river gauges at Cairo and New Madrid were below their low thresholds with Memphis forecast to follow.
Low river levels raise barge freight and delay loadings, which widens the cost of moving US grain to export positions and supports Gulf basis and export premiums.
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, Soybeans 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.