War in Iran Triggers Chaos in Global Oil Market

What It Covers

NYT correspondent Rebecca Elliott explains how the U.S.-Iran war has effectively shut down the Strait of Hormuz, a 21-mile-wide chokepoint carrying 20% of global oil supply, triggering price swings of $30 per barrel in a single day and forcing governments worldwide to implement emergency energy rationing measures.

Key Questions Answered

• •Strait of Hormuz dependency: The strait, only 21 miles wide at its narrowest point, carries one-fifth of global oil and significant liquefied natural gas daily. Over 80% of that energy flows to Asia. When Iran blocks vessel transit through physical attacks and insurance withdrawal, the supply disruption becomes immediate and cascading across Asian economies within days.
• •Price volatility mechanics: Oil prices swung nearly $30 per barrel in a single Sunday-to-Monday period, briefly exceeding $100 per barrel for the first time since Russia's 2022 Ukraine invasion. Traders are pricing uncertainty around Trump's shifting war objectives, making policy clarity from the White House a direct lever on energy market stabilization.
• •Well shut-in risk: Producers cutting output to manage storage overflow face a non-reversible consequence — shutting in oil wells risks permanent pressure loss, meaning reduced output even after the strait reopens. This means supply disruptions can outlast the war itself, extending economic damage well beyond any ceasefire or diplomatic resolution.
• •U.S. policy toolkit: The Trump administration holds three concrete options: releasing oil from the Strategic Petroleum Reserve (created after the 1973 embargo), suspending the federal gasoline tax to cut pump prices by 18 cents per gallon, or reinstating the oil export ban lifted in 2015. Each carries trade-offs between short-term relief and longer-term market signaling.
• •1973 embargo parallel: The 1973 Arab oil embargo quadrupled prices within months and permanently reshaped global energy policy — producing fuel economy standards, nuclear energy expansion, and Japan's short-sleeve suit campaign to reduce air conditioning use. Countries most dependent on Persian Gulf imports today face analogous pressure to accelerate alternative energy transitions now.