
Chicago December corn fell 1.6% in the week to September 15 after USDA raised its U.S. 2023/24 production estimate. The report also flagged concern about low US river levels slowing grain shipments.
A larger U.S. crop estimate points to lower corn prices, while low river levels raise barge freight costs and may slow shipments.
After 1,102 past bearish report events, Corn moved a median -0.2% over 5 sessions (47% higher; middle half -1.8% to +1.3%), and +0.0% over 20.
Not enough comparable past events yet for a historical read.
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.
December corn fell after USDA raised its 2023/24 production estimate, adding supply pressure, though the weekly drop was modest relative to the full move.