Mexico sources 99% of its corn imports from the US, and its yellow corn, mainly used for livestock feed, depends increasingly on foreign supply. The article flags risks from the shift of USMCA to annual reviews, limited alternative suppliers in Brazil and Argentina, and a rail-dependent supply route.
Record imports continue despite greater government support for domestic producers.
Mexico's structural reliance on US yellow corn keeps demand for US corn firm and leaves Mexican feed costs exposed to trade-policy or rail disruptions, which could shift flows toward Brazilian or Argentine corn.
After 737 past bullish trade events, Corn moved a median +0.4% over 5 sessions (57% higher; middle half -1.1% to +1.7%), and +0.5% 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.