
Heavy rainfall across the Mississippi and Ohio valleys caused widespread flooding, and the USDA's Grain Transportation Report said the Army Corps closed the Markland, McAlpine and Smithland locks on the Ohio. Lower Mississippi barge tows were cut from 40 to 30 barges and daylight-only passage was imposed at Vicksburg and Memphis, with restrictions expected for several weeks.
Barge capacity constraints raise freight costs and delay grain and meal movements from the Midwest to Gulf export terminals, which tends to widen Gulf basis and weigh on nearby cash bids.
Not enough comparable past events yet for a historical read.
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.
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.