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Asia's refining margins soar to the highest level in almost 4 years due to disruption of supply caused by Hormuz

According to data and analysts, Asian refining margins are at their highest level since 2022 due to Iranian threats against shipping through the Strait of Hormuz. These threats have disrupted crude flow and forced refineries to reduce runs.

As a result of the U.S. - Iran war, trade has been suspended through the chokepoint which typically handles over 20% of global daily oil supplies.

Singapore's complex refinery margins LSEG data shows that the market was roiled on Wednesday by fears of a further reduction in refining runs, which could lead to a tightening of fuel supplies.

China and Thailand also suspended their fuel exports, which could affect the supply of fuel in the region.

JET FUEL, ?DIESEL MARGINS LEAD THE SURGE

In Asia, jet fuel and diesel products saw the highest margins.

LSEG data revealed that the margin for aviation fuel?broke $52 a bar on Wednesday, its highest level since June 2022. It was more than twice as high as it had been Friday.

The price of 10ppm sulphur gasoline has risen to $48 per barrel, its highest level since August 2022.

This is indicative of an imminent shortage of feedstocks for refineries due to the dependence on Middle Eastern crude oil that is currently clogged at the Strait of Hormuz, said June Goh senior oil market analyst of Sparta Commodities.

Other sources of crude will arrive in our region between one and two months. Refineries must reduce their intake in order to avoid premature shutdown," Goh said, adding that oil products stocks would deplete rapidly if refineries did not receive crude soon.

Asian refiners are meanwhile struggling to secure replacement crude cargoes. Some Chinese refiners are already cutting runs while India is looking for alternatives for crude imports.

NAPHTHA, FUEL OIL

Middle East also tops the list of suppliers for petrochemical feedstock, naphtha, and fuel oil for ship refuelling.

Asia's naphtha market This week,?supplies tightened. Petrochemical producers in Asia's top producer are, however, preparing to stop operations and reduce run rates, as buyers prepare for delays and higher prices.

On Wednesday, cracks in high-sulfur fuel oil reached a record-breaking price of nearly $8 per barrel.

According to Vortexa, oil consultancy, residual?fuel exported from the Gulf must pass through Strait of Hormuz. This accounted for 9% of the global seaborne flow in 2025.

The traders claim that global oil majors tried to 'cover fuel needs by shipping products from?West even if arbitrage economics were not feasible.

Exxon Mobil will ship fuel to Australia from the U.S. Gulf Coast in order to meet its own import needs.

(source: Reuters)