
The Mexican peso fell to 18 per dollar on September 29, its weakest level since March, before closing at 17.95 per Bank of Mexico data, a 1.8% depreciation. The Federal Reserve's first hike since July 2023 strengthened the dollar while Banxico held at 6.5%, narrowing the rate gap and reducing carry-trade appeal.
Geopolitical uncertainty in the Middle East added pressure.
A weaker peso raises the peso cost of imported feed ingredients for Mexican buyers, so local feed costs rise even if dollar-denominated prices are unchanged. The move reflects rate and dollar drivers rather than a change in grain supply.
Not enough comparable past events yet for a historical read.
After 2,356 past bullish macro events, US Dollar (Broad) moved a median +0.2% over 5 sessions (60% higher; middle half -0.3% to +0.7%), and +0.4% 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.