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TrustFinance Global Insights
Mar 13, 2026
2 min read
157

Iran has effectively closed the Strait of Hormuz, a critical maritime chokepoint, in response to military strikes. The action has halted traffic for a waterway that handles approximately 20% of global oil and liquefied natural gas supplies, causing an immediate spike in energy prices and raising concerns over a potential global energy crisis.
The closure is a direct retaliation for what Iranian officials term an existential conflict. Consequently, maritime traffic through the strait has plummeted by 97%, according to United Nations data. This narrow passage is the only sea exit for major energy producers like Qatar, Kuwait, and the UAE, making its closure a significant threat to global supply chains.
The immediate effect was a surge in oil prices to their highest levels since 2022. A prolonged shutdown threatens a new cost-of-living crisis, similar to the one following Russia's invasion of Ukraine. Furthermore, with 33% of the world's fertilizers passing through the strait, the blockade poses a substantial risk to global food security.
While the U.S. and European nations are considering naval escorts to protect commercial shipping, securing the strait is a formidable challenge due to its geography and Iran's military capabilities, including drones, mines, and fast attack craft. The long-term economic stability now depends on the duration of the conflict and the effectiveness of international intervention.
Q: Why did Iran close the Strait of Hormuz?
A: The action was a retaliation against U.S.-Israeli military strikes, which Iranian officials have described as an existential threat.
Q: What percentage of global oil normally passes through the strait?
A: Approximately one-fifth, or 20%, of the world's total oil and liquefied natural gas supplies transit through the Strait of Hormuz.
Source: Reuters via Investing.com

TrustFinance Global Insights
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