Oil Prices Extend Rally After US Reinstates Iran Maritime Blockade

Oil prices continued a sharp rally in Asian trading on Tuesday, building on a nearly 10% surge in the previous session, after Washington announced it was reinstating a naval blockade on Iran amid escalating military hostilities in the Persian Gulf.

Geopolitical Tensions Boil Over

The move follows a renewed series of military exchanges between the two nations. According to reports, Iran launched drone attacks on U.S. assets in Kuwait and struck a vessel in the Strait of Hormuz with cruise missiles. The United Arab Emirates also reported that two of its tankers were attacked in Omani waters, effectively ending a fragile de-escalation agreement reached last month.

In response, U.S. President Donald Trump announced the reinstatement of the naval blockade. The U.S. military stated it would begin enforcing the blockade on Tuesday, targeting Iranian-linked vessel traffic. Washington also plans to collect a 20% charge on all cargo moving through the strait to cover security costs, according to the announcement.

Market Impact

The threat of a significant disruption to global energy flows sent crude prices soaring. Both major benchmarks posted their biggest one-day percentage gains in months on Monday before extending the rally.

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• Brent crude futures for September delivery rose 2.1% to $85.01 per barrel.
• West Texas Intermediate (WTI) crude futures also gained 2.1%, reaching $79.78 per barrel.

Investors are concerned that further retaliatory actions could impede tanker traffic through the Strait of Hormuz, a critical chokepoint through which roughly a fifth of the world's oil consumption passes. Tehran has warned that continued U.S. military action could trigger more attacks on regional energy infrastructure.

Broader Economic Concerns

The spike in energy costs is reverberating across broader financial markets. The rally weighed on equities as traders priced in higher inflation and the potential for a slowdown in global economic growth. The development also complicates the outlook for central banks, which are monitoring inflationary pressures as they consider future monetary policy.