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Fertilizer shipments out of the Persian Gulf remain largely halted more than six months after the U.S.-Israeli attacks on Iran and the closure of the Strait of Hormuz. Nitrogen prices have eased back toward pre-war levels, while sulfur shortages keep phosphate supply tight.
Global nitrogen and phosphate exports have fallen only about 9%, as exporters outside the Gulf have filled part of the gap.
Persian Gulf urea and ammonia are a large share of world nitrogen trade, so renewed disruption could lift urea prices again in seasonal demand. Sulfur-driven phosphate tightness raises DAP production costs and supports prices, which feeds into feed-phosphate costs.
cgiar.orgIFPRISep 18, 2026After 11 past neutral geopolitics events, Urea moved a median +0.4% over 5 sessions (64% higher; middle half -1.0% to +5.9%), and +7.8% over 20.
After 114 past bullish geopolitics events, DAP moved a median +0.0% over 5 sessions (50% higher; middle half -0.3% to +1.2%), 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.
