The peso closed down 1.09%, or 24 cents, at about 22.17 per dollar on Thursday, after Jerome Powell announced a shift to average-inflation targeting at Jackson Hole. The market read the message as accommodative and a sign that rates will stay low for a long time.
Low US rates and a softer dollar tend to support commodity prices, while peso weakness raises Mexican import costs for feed ingredients. The effect on grain markets is indirect.
Not enough comparable past events yet for a historical read.
After 15 past bearish policy events, DXY moved a median -0.5% over 5 sessions (27% higher; middle half -0.7% to +0.0%), and -0.0% 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.