
Analysts say Russia's invasion of Ukraine confirmed fears of a Black Sea supply disruption, with the region supplying about one third of world wheat and corn. Chicago and Kansas City wheat closed limit up on Thursday, while corn and soybeans gave back initial gains.
Replacing Black Sea wheat and corn exports is difficult, so the supply risk supports prices, though fading gains and high volume suggest the rally may be losing momentum.
After 361 past bullish geopolitics events, Wheat (SRW) moved a median +0.7% over 5 sessions (58% higher; middle half -1.4% to +3.7%), and +1.3% over 20.
After 94 past bullish geopolitics events, Wheat (HRW) moved a median +0.1% over 5 sessions (50% higher; middle half -2.7% to +5.8%), and +0.1% over 20.
After 323 past bullish geopolitics events, Corn moved a median +0.5% over 5 sessions (57% higher; middle half -1.5% to +2.9%), and +0.9% over 20.
After 20 past neutral geopolitics events, Soybeans moved a median -0.6% over 5 sessions (45% higher; middle half -2.2% to +1.5%), and +0.9% 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.