
The Federal Reserve raised its benchmark rate on Dec 19, 2018 to 2.25-2.50 percent, its ninth hike of the cycle, and signaled further withdrawal of stimulus in 2019. The dollar fell sharply after the announcement despite the Fed being the only major central bank tightening.
A weaker dollar supports US commodity export competitiveness and tends to lift dollar-priced grain and oilseed values, while tighter Fed policy pressures emerging-market currencies that import feed.
After 1,637 past bearish macro events, DXY moved a median -0.2% over 5 sessions (39% higher; middle half -0.6% to +0.3%), and -0.2% over 20.
After 388 past bullish macro events, EURUSD moved a median +0.3% over 5 sessions (62% higher; middle half -0.4% to +1.1%), and +0.1% 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.