Why the Iran war hasn’t caused a global oil crisis — yet

July 21, 2026

When the Strait of Hormuz first closed at the start of the 2026 Iran war, the world braced for the “largest energy crisis in history.” Before the conflict began, almost 20 percent of the world’s traded oil passed through the narrow waterway between the Persian Gulf and the Gulf of Oman. Iran’s blockade of the strait effectively erased 15 million barrels per day from circulation overnight.

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