Educational market analysis only. Not financial advice.

The Hormuz crisis isn't one oil market. It's two, and they're moving in opposite directions.

Here is a strange fact about the biggest oil shock in history. The countries sitting on the most oil in the world are losing money every day, while a handful of companies in Texas and Ohio are having the best year they have ever had.

To understand why, you have to stop thinking about "oil" as one thing. A barrel has two ends. At one end is crude, the raw stuff that comes out of the ground. At the other end are the fuels people actually use: diesel, gasoline, jet fuel. Normally those two ends move together. In 2026, they have split apart.

The crude end: trapped

Seven months into the war, the Strait of Hormuz is still effectively shut. IMF PortWatch (the port monitoring platform of the International Monetary Fund) recorded 8 transits on September 13, against a pre-crisis baseline of 85 per day. The International Energy Agency (IEA) has described this as the largest supply disruption in the history of the global oil market.

For the Gulf producers, this is a disaster. Their oil is still in the ground, or sitting in full storage tanks, and it cannot reach buyers. The US Energy Information Administration (EIA) expects crude production in the region to stay below pre-conflict averages until the second quarter of 2027. You cannot sell a barrel you cannot ship.

That's the first end of the barrel: owners of trapped crude, drowning.

Oil painting of loaded crude tankers anchored and motionless in the Persian Gulf at sunset during the Hormuz closure
Gulf crude has nowhere to go while the strait stays shut.

The twist: the refineries went down too

Here is what most headlines miss. The Gulf is not just a place where oil is pumped. It is also home to some of the world's biggest export refineries, the plants that turn crude into diesel and jet fuel for the rest of the world. Those refineries are behind the same blockade. Some were hit by attacks, others simply ran out of room to store what they produced.

Add the damage to Russian refineries from Ukrainian drone strikes, and more than 7 million barrels per day of refined product flows are offline in the Middle East and Russia, a supply gap that capacity elsewhere cannot fill.

So the world is short of crude, but it is even shorter of the fuels made from crude. And that's where the money is.

Oil painting of a balance scale where a small flask of golden refined fuel outweighs a heavy barrel of crude oil
Two ends of one barrel: crude and fuel prices have split apart.

The fuel end: a gold rush

The profit a refiner makes is called the "crack spread": the gap between what it pays for crude and what it sells the fuel for. In normal times this is a modest, boring number. In 2026 it exploded. The WTI 3-2-1 crack spread reached about $59 per barrel, nearly triple its level in January, while its 2010 to 2021 average was about $19. (WTI, West Texas Intermediate, is the US crude benchmark.)

Now picture a US refinery on the Gulf Coast. It buys American crude, which is cheaper than the international benchmark: this week Brent traded around $105.65 while WTI was around $93.11. Then it sells diesel and jet fuel into a world that desperately needs them. Cheap at one end, expensive at the other.

The results are staggering. Marathon Petroleum, Valero and Phillips 66 generated a combined $12.6 billion in profits in the second quarter of 2026. Valero alone reported adjusted net income of about $3.7 billion and returned $2.6 billion to shareholders in that quarter. Their shares have more than doubled this year, while ExxonMobil and Chevron gained about 40% each.

Oil painting of a US Gulf Coast oil refinery at night, glowing towers and a gas flare reflected in dark water
US refiners sit between cheap domestic crude and a fuel-starved world.

Why the giants aren't the biggest winners

You might expect the supermajors to top this list. They do both: they pump oil and they refine it. But that turns out to be a mixed blessing. Their refining divisions get an uplift, but those gains are partly offset by pressure on their production assets, where lower realized crude prices in some regions eat into the downstream windfall.

In other words, the purest winners are not the companies that own the most oil. They are the ones that buy cheap crude and sell scarce fuel, with nothing trapped behind the strait.

So the scoreboard looks like this. Losing: Gulf producers with barrels they cannot ship. Doing well: the integrated majors, with gains dampened. Printing money: the independent US refiners sitting between cheap American crude and a starving global fuel market.

And the bill lands with everyone else: drivers, airlines, truckers and anyone buying goods that move by road. That's why fuel prices can stay painful even on days when crude falls.

Oil painting of a worried driver in his car, head in hand, facing a petrol station in a European town at sunset
Crude may fall, but drivers still pay the price at the pump.

What to watch next

The obvious question: how long can this last?

Not forever. Refining margins are famously cyclical, and Marathon has already indicated that product margins, while strong, have come down from the levels of the second quarter and early third quarter. History is a warning too: spikes like this often precede negative returns, because geopolitical premiums can reverse quickly if conflicts ease.

But here is the key insight. When the strait reopens, the two ends of the barrel will not heal at the same speed. Crude can start flowing within weeks of a deal. Damaged and shut refineries take much longer to restart. That means crude prices could fall hard on the day of a deal, while fuel stays tight for months.

For drivers, that means relief at the pump may lag the headlines. For investors, it means the refinery story may outlive the crude story. And for anyone trying to understand this crisis, it means one thing: stop watching only the price of oil. Watch the spread.

Sources

Facts below are from the cited outlets. Interpretation of who captures the refining windfall is HormuzEye analysis.

Disclaimer: HormuzEye provides educational and informational market analysis only. This content is not financial advice, not investment advice, and not a buy or sell recommendation. Oil markets are volatile and geopolitical events can change quickly. Always do your own research and consult a qualified financial adviser before making investment decisions.