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Brent crude oil has moved back above $100 a barrel as disruptions across the Middle East continue to tighten global energy supplies. The latest oil price surge reflects a combination of supply losses, shipping disruptions, tight diesel markets and growing geopolitical risks.
Brent crude settled at around $102 a barrel, while U.S. West Texas Intermediate (WTI) stood near $91 a barrel at the latest close. The gap between the two benchmarks highlights how strongly the current crisis has affected international oil markets.
Here are five key reasons behind the latest rise in crude oil prices.
Strait of Hormuz Disruptions Are Hitting Global Oil Supplies
The Strait of Hormuz remains at the center of the current oil crisis.
The waterway connects the Persian Gulf with global markets and normally carries a major share of the world’s oil and fuel shipments. Disruptions have sharply reduced the flow of crude oil and refined products through the route.
The International Energy Agency (IEA) says the crisis has created the largest oil supply disruption in the history of the global oil market. Before the conflict, roughly 20 million barrels of oil and oil products moved through the Strait each day.
Reduced shipping through Hormuz has forced traders, refiners and governments to search for alternative supplies and routes.
Middle East Oil Production and Exports Remain Under Pressure
The Middle East supplies a large portion of global oil demand, so even a temporary disruption can quickly affect international prices.
The IEA expects global oil supply to average around 100.7 million barrels per day in 2026, which represents a decline of about 5.7 million barrels per day from the previous year.
Although some Middle Eastern crude exports have recovered, oil flows remain below normal levels. The continuing uncertainty keeps a risk premium in crude prices.
Diesel Shortages Are Making the Energy Crisis Worse
The current crisis goes beyond crude oil.
Diesel markets face particularly tight supplies. Gulf diesel exports have fallen sharply, while disruptions to Russian refining and fuel exports have added further pressure.
According to the IEA, Gulf countries exported an average of only around 390,000 barrels per day of diesel and gasoil in August, just over a quarter of pre-war levels.
Lower diesel availability has pushed fuel prices higher in several major markets. Because diesel powers trucks, ships, machinery and industrial equipment, prolonged shortages can also increase transportation and production costs.
China and Russia Are Adding Pressure to Fuel Markets
Changes in refined-fuel exports have added another layer of pressure.
Russia has faced disruptions to its refining system, while restrictions on Russian fuel exports have reduced supplies available to international buyers.
China has also limited some refined-fuel exports, reducing the amount of gasoline, diesel and other products available to overseas markets.
These developments matter because refiners in other regions must work harder to replace missing supplies. That has increased competition for available fuel cargoes.
Markets Are Pricing In More Geopolitical Risk
Oil traders are also reacting to uncertainty over the conflict and future energy shipments.
Even when some crude continues to reach international markets, traders cannot assume that supplies will remain stable. Any new attack, shipping disruption or breakdown in negotiations could reduce exports again.
That uncertainty pushes the price of crude higher because buyers want protection against another supply shock.
The IEA has said that restoring normal shipping through the Strait of Hormuz remains the most important step for bringing stability back to global oil and gas markets.
G7 Moves to Release 100 Million Barrels
Governments are now taking emergency steps to ease the pressure.
The G7 has agreed to release 100 million barrels of oil and refined fuel from emergency reserves, with diesel receiving particular attention. The IEA will coordinate the release.
The announcement immediately put downward pressure on oil prices. IEA Executive Director Fatih Birol said oil prices had fallen by around $5 after the reserve-release announcement and indicated that additional reserves could become available if necessary.
However, emergency reserves cannot replace normal oil production and transportation indefinitely.
Will Oil Prices Stay Above $100?
The answer depends heavily on what happens to Middle East supply and shipping routes in the coming weeks.
If oil shipments through the Strait of Hormuz recover significantly, the market could see less pressure. A prolonged disruption, however, could keep crude prices elevated and maintain tight diesel supplies.
The IEA has already cut its 2026 oil supply outlook because of the continuing disruption. At the same time, it expects global oil demand to fall by 2.5 million barrels per day in 2026, partly because high prices and supply problems are reducing consumption.
For now, the global oil market remains highly sensitive to developments in the Middle East. Brent crude above $100 a barrel reflects not just higher demand, but a major supply and logistics shock affecting crude oil, diesel and other refined fuels.
As governments release emergency stocks and producers look for alternative routes, traders will closely watch the Strait of Hormuz, Middle East exports and diesel supplies for signs of whether the oil price surge will ease or continue.
