$100 Oil Is Back, and Saudi's Escape Route Just Closed

BREAKING (July 23, 2026): Brent crude crossed $100 a barrel on Thursday, up from under $72 at the start of the month. U.S. WTI crude topped $90. The obvious suspect is the Strait of Hormuz, where the war with Iran has strangled traffic for months. It is the wrong suspect. The barrel that broke $100 this week was lost 1,500 miles away, in a stretch of water Saudi Arabia thought it had made safe.

Here is the part almost no one is saying out loud. Over the past six weeks, Saudi Arabia did something quietly clever to get around the Hormuz blockade: it shoved a flood of crude across its own territory to load from its Red Sea coast instead of its Gulf coast. Loadings from Yanbu, its Red Sea terminal, climbed to about 4.7 million barrels a day by mid-July, near the port’s ceiling, as the kingdom leaned on the Red Sea to replace the Gulf exports the war had choked off. This week the Houthis declared a formal naval blockade on Saudi Arabia, then sent missiles and drones at Saudi tankers in that water. Saudi authorities confirmed that one, the Encelia, was hit and set on fire; the Houthis claimed a second, the Layla. The escape hatch and the trap turned out to be the same door.

The Pipeline That Points Into the War

Saudi Arabia has two coasts, and that is normally its superpower. Most of its crude leaves from Gulf terminals like Ras Tanura and has to thread the Strait of Hormuz to reach the ocean. But the kingdom also runs the East-West Pipeline, known as Petroline, straight across the country to the port of Yanbu on the Red Sea, built specifically so its crude can skip Hormuz entirely. Saudi Arabia is even weighing an expansion of that line to move still more oil without crossing the strait. The United Arab Emirates built the same kind of insurance policy years ago, a pipe to Fujairah that dumps crude safely outside Hormuz, in the open Gulf of Oman. For how that bet paid off, see the UAE’s quiet exit from the chokepoint game.

The problem is geography. Fujairah opens onto safe water in the Gulf of Oman. Yanbu opens onto the Red Sea, which is exactly the water the Houthis fight in, and a fully loaded supertanker cannot simply slip out the top. A laden VLCC sits too deep for the Suez Canal, which is why the biggest tanker that can make that transit with a full cargo is the class literally named Suezmax, and a VLCC is far larger. So a brimming crude carrier leaving Yanbu has two real ways out: south through the Bab-el-Mandeb strait, or the long haul around Africa. The Houthis just declared the first one blockaded, and the Encelia was hit inside that sea, near Saudi Arabia’s own coast. Saudi Arabia’s Hormuz bypass does not remove the chokepoint problem. It relocates it, from a strait policed by Iran’s navy to a sea policed by the Houthis, who have spent two years proving they can hit ships with hardware that costs a rounding error.

Two Doors, Both Jammed

Run the numbers and the squeeze is obvious. The Strait of Hormuz normally carries about 20 million barrels a day, roughly a fifth of the world’s oil. Bab-el-Mandeb carries about 4.2 million. Until this week, the war had jammed only the first door: crossings through Hormuz collapsed to 22 ships on July 9, against 147 the day before the war began in February. Saudi Arabia’s answer was to route around the jam by sending oil out the second door.

The Houthis just jammed the second door too. A tanker that wants to avoid both straits has exactly one option left: sail all the way around the southern tip of Africa. That reroute adds about 4,900 nautical miles and two extra weeks to a voyage to Europe, plus hundreds of thousands of dollars in fuel per ship. Every barrel that takes the long way is a barrel that shows up late, and “late” is what $100 oil is pricing.

Trump’s Losing Exchange Rate

President Trump’s response arrived Wednesday in a social-media post, and it was specific: “From this point forward, any time the Islamic Republic of Iran shoots at a ship in the Strait of Hormuz, whether it be by Missile, Rocket, Drone, or any other device or weapon, the United States will bomb and destroy ONE BRIDGE OR POWER PLANT.”

As a deterrent, the arithmetic runs backwards. The cheap Houthi drones the Navy has been swatting down cost a few thousand dollars each; the interceptors that kill them run about $2 million each. It is the comparison every naval analyst reaches for, a $2 million missile against a $2,000 drone, and even if that raw 1,000-to-1 ratio flatters the attacker, as CSIS cautions it does, the direction is unmistakable. A bridge or a power plant costs vastly more than the drone that triggers its destruction, and it does nothing to put the tanker’s cargo back on the water. This is the same trap laid out in how Iran keeps a war it is losing going: the side that fights for $10,000 a shot can keep shooting long after the side that answers for millions runs out of patience, budget, or an election cycle.

The Case That This Is a Head-Fake

There is a real argument that $100 is more fear than fact, and it deserves a straight answer. Saudi Arabia can shift barrels back to its Gulf terminals; the Encelia caught a fire at the bow but was not sunk, and no crew were hurt. A blockade that scares tankers is not the same as a blockade that stops oil, so part of this spike is a risk premium that can drain away as fast as it filled in.

That would be comforting if the other door were open. It is not. Hormuz is still choked to a fraction of its normal traffic, the same jam that pushed Saudi Arabia to move its oil to the Red Sea in the first place. When both chokepoints are contested at the same time, the pipeline that was supposed to be the escape route becomes a very expensive way to deliver crude into a second blockade. There is no third coast.

What It Costs You

None of this stays offshore. Crude oil is the single biggest component of what you pay for a gallon of gasoline. A barrel holds 42 gallons, so every $1 move in crude is worth about 2.4 cents a gallon at the pump before taxes and refining margins. The roughly $28 climb in Brent this month works out to about 67 cents a gallon of added crude cost, which is why the national average has already pushed to about $4.09 a gallon, up 15 cents in a week. CNBC’s commodity desk is now openly raising the prospect of $120. If it gets there, the countries that feel it worst are the ones still most exposed to the pump, a gap detailed in what a $120-oil world does to the drivers who can least afford it.

Petroline was engineered to make the Strait of Hormuz irrelevant to Saudi oil. This week it did the opposite, funneling that oil straight to the one adversary that fights for the price of a used car. Watch whether Riyadh keeps loading at Yanbu or blinks and sends the barrels back toward Hormuz. Either way, the map just lost a door.

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