About 20 million barrels a day are effectively stranded in the Persian Gulf, and that squeeze is why oil has climbed back above US$90 a barrel. U.S. crude traded near US$90.90 and Brent around US$92.69 after a sharp run of weekly gains, AP reported. Markets from New York to Sydney reacted: energy stocks rose while broader indexes slipped, AAA data cited by AP showed US pump prices near US$3.41 a gallon and diesel US$4.51, and the Sydney Morning Herald said more than A$50 billion was wiped off the ASX at one point. Al Salazar of Enverus warned, "The more news we get, the more it seems like this is going to last a really long time."

The read is simple. Higher oil now reflects not temporary jitters but a tangible squeeze on flows through the Gulf. U.S. crude recently traded near $90.90 a barrel and Brent hovered around $92.69 after a run of sharp weekly gains, according to AP. Those prices matter because ships carrying roughly 20 million barrels of oil a day are effectively stranded as navigation through the Strait of Hormuz became unsafe, AP reported.

Markets and the real economy

Equities and commodity desks saw the effect immediately. Energy shares posted modest gains while other sectors fell, as a Wall Street rout accompanying the rise in crude erased earlier gains in the S&P 500 and other U.S. benchmarks. In Australia the hit to sentiment was tangible. The Sydney Morning Herald reported that more than A$50 billion was wiped off the ASX during a sharp sell-off, and listed energy producers outperformed, with names such as Santos and Woodside recording gains while banks and miners lagged.

The higher crude benchmarks are already feeding through to consumers and firms. AP cited AAA data showing a U.S. national average gasoline price near $3.41 a gallon and diesel at $4.51, both up sharply week-on-week. Airlines and shipping operators face higher fuel bills, and refiners are wrestling with regional shortages of key distillates. Industry data cited by AP and Rystad Energy showed steep rises in diesel and jet fuel prices across Europe and Asia, tightening margins for carriers and freight companies.

Mastheads

How supply lines broke

The immediate cause of the supply squeeze is the widening conflict. Timeline coverage from CNBC traced the market moves since the fighting escalated on February 28 after joint U.S.-Israeli strikes at the end of February. Brent climbed from roughly $72 a barrel to nearly $120 at its peak amid fears of a supply choke through the Strait of Hormuz. AP and other reporting documented successive escalations: Iranian retaliatory strikes on regional infrastructure and shipping, attacks on energy facilities, and strikes on ports and terminals that curtailed output across Kuwait, Qatar, Iraq and the United Arab Emirates.

The pattern of disruption has been varied and persistent. AP reported intermittent closures of the Strait of Hormuz, seizures and attacks on commercial vessels, and precautionary production cuts by Gulf producers. Kuwait reduced output as a precaution, while other regional operators curtailed flows after facilities and terminals were struck. Those losses aren't just headline numbers.

They translate into tankers rerouting, cargos delayed, and oil that can't reach refiners, which in turn lifts refined fuel prices in distant markets.

Market participants and analysts are pricing in a higher premium for risk. Enverus's head of macro oil and gas research, Al Salazar, summed the market mood when he said, "The more news we get, the more it seems like this is going to last a really long time." That view helps explain why energy stocks rose even as broader indexes fell; investors are marking up the value of producers while repricing risk across cyclical sectors.

Diplomacy hasn't yet delivered a clear endgame.

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Watch shipping insurance rates, refiners' margins and diplomatic signals. They will show whether the squeeze eases or widens.

This article was created with AI assistance.