
The US Army Corps of Engineers reduced Missouri River navigation flow support by 1,500 cubic feet per second for the second half of the season due to drought in the upper basin. The navigation season will run a full eight months, ending December 1, 2021, at St. Louis.
Lower river flows constrain barge drafts on the Missouri and Mississippi, which can raise barge freight costs and slow grain movement from the Midwest to Gulf export terminals.
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.