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Wilson Center published a background explainer on Mexico's ban on genetically modified corn, tracing AMLO's 2018 commitment and the September 2024 constitutional amendment recognizing native corn. The piece notes Mexico's 64 corn varieties, 59 of them native.
Mexico is the largest export market for US corn, so the unresolved status of GMO corn restrictions keeps a risk premium on trade flows and US corn exports.
After 439 past neutral policy events, Corn moved a median +0.1% over 5 sessions (51% higher; middle half -1.3% to +1.2%), and +1.1% 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.