
July corn fell 9.5 cents to a new contract low of $4.19 1/4 amid broad risk-off sentiment after a US military strike on Iranian nuclear facilities. Midwest heat raised crop stress in dry areas, with rain forecast for the driest states.
Brazil's center-south safrinha harvest was 13% complete, behind last year's pace.
Geopolitical risk-off selling and Midwest weather concerns pushed corn lower, while Brazil's record crop and slow harvest pace shape global export competition.
After 87 past bearish geopolitics events, CORN moved a median +0.1% over 5 sessions (51% higher; middle half -1.5% to +2.1%), and +0.3% over 20.
After 656 past bullish geopolitics events, BRENT moved a median +1.9% over 5 sessions (63% higher; middle half -2.7% to +6.6%), and +0.7% 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.