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CNBC explains how a US-Israeli attack on Iran could disrupt oil markets, since about a third of seaborne oil exports and 20% of LNG exports pass through the Strait of Hormuz. Brent settled at $72.48 and WTI at $67.02 on Friday, and analysts warned prices could rise $5 to $7 a barrel when trading reopened.
A prolonged Hormuz closure could tighten global energy supply and raise diesel, fertilizer and freight costs for feed producers, with analysts warning of possible recession risk.
cnbc.comSpencer Kimball, Pippa StevensMar 1, 2026After 656 past bullish geopolitics events, Crude Oil (Brent) moved a median +1.9% over 5 sessions (63% higher; middle half -2.7% to +6.6%), and +0.7% over 20.
After 626 past bullish geopolitics events, Crude Oil (WTI) moved a median +2.1% over 5 sessions (62% higher; middle half -2.3% to +8.5%), and +1.6% over 20.
After 136 past bullish geopolitics events, Natural Gas moved a median +2.7% over 5 sessions (63% higher; middle half -1.8% to +8.8%), and +4.0% 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.
