
Sterling fell to its weakest level in about 18 months against the dollar after UK Prime Minister Theresa May postponed a parliamentary vote on her Brexit deal. The dollar recovered modestly after its steepest weekly drop in three months, as traders trimmed bets on a less aggressive Federal Reserve.
A firmer dollar against sterling and other currencies can make US-origin feed ingredients more expensive for non-dollar buyers, while weakening import demand from the UK.
Not enough comparable past events yet for a historical read.
After 89 past bullish geopolitics events, US Dollar (Broad) moved a median +0.5% over 5 sessions (74% higher; middle half -0.0% to +1.0%), and +0.3% 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.