Fears of a major oil supply shock are mounting as tensions escalate in the Strait of Hormuz, a vital artery for nearly 20% of global crude shipments, with Wall Street racing to assess the potential price impact after the U.S. struck Iran over the weekend.

What Happened: Goldman Sachs on Monday flagged a scenario where Brent oil could soar to $110 per barrel if Iran shuts down the Strait of Hormuz in retaliation for the American strikes on three of its nuclear sites.

Commodity analyst Daan Struyven said in a note that the geopolitical risk premium in oil prices — as broadly tracked by the United States Oil Fund (NYSE:USO) — could “jump to record levels” if the strait is blocked.

The mere risk of a closure has already added an estimated $12 geopolitical premium …

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