March 20, 2026

The Strait of Hormuz is one of the world’s most important waterways, and a critical chokepoint for the world’s energy supply.

But three weeks since war engulfed the Middle East, the battered Iranian regime still maintains its iron grip on this 24–mile–wide maritime corridor.

Now, a group of Austrian researchers have revealed how the closure of the Strait of Hormuz could devastate global supply chains.

According to their simulations, exports worth up to $1.2trillion (£893.5billion) could be affected if Iran keeps the Strait closed for an extended period.

The Strait of Hormuz remains under tight Iranian control amid ongoing Middle East conflict, posing a dire threat to global energy and supply chains; Austrian researchers warn that extended closures beyond four weeks could disrupt exports worth up to $1.2 trillion, with the UK facing the greatest risk among European nations from the resulting cascading supply chain failures.

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