
The Pere Marquette was the last vessel to leave St. Paul, Minnesota, in 2017, departing November 28 with five barges of grain and soybeans. The St. Paul District locked its last tow December 7 and officially closed its locks December 10, ending navigation on the Upper Mississippi.
Winter closure of the upper river shifts grain movement to rail and rail-to-barge routes, tightening barge availability and raising freight costs for Midwest shipments into the cash market.
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.