Six months into the war, nobody can agree on how many ships are getting through the Strait of Hormuz. Washington says traffic is climbing and the lanes are clear. Tehran says the strait is shut to anyone it hasn’t approved. The commercial trackers, the ones insurers and oil desks pay for, land a lot closer to Tehran’s picture.

The gap is wide. On 1 September two US officials said 40 commercial ships had crossed under naval escort carrying roughly 18 million barrels of oil, a wartime record. Kpler counted 11 vessels that day.

Six months into the war, the Strait of Hormuz has settled into a shape that suits Washington better than Tehran. The US Navy blockade keeps most Iranian oil off the water, while American escorts push a thin stream of tankers through the strait at great expense. There have been no formal talks for months. Iran’s leadership has looked at that picture and decided to change it by force.

The past ten days show how. A monthlong lull ended when US aircraft hit Iranian rocket launchers on an island in the strait, saying they were being readied to fire mines into the shipping lanes. Iran answered with missiles at US bases in Jordan. Then it took the fight to sea. Overnight into September 9 the US said one of its warships had evaded an Iranian ballistic missile attack, and that it destroyed five Iranian tankers in the Gulf of Oman and near Kharg Island in response. Tehran fired around 20 missiles at the Al-Azraq air base in Jordan, went after US Navy ships and claimed hits on 10 merchant vessels near the strait. By its own count that was the heaviest day of attacks on shipping since the war began. A Greek-owned tanker carrying about two million barrels of Iraqi fuel oil caught fire; a cargo ship was struck off Iraq’s al-Faw peninsula; another vessel was seen listing at anchor off Dubai.

The open-market dollar traded at about 2.24 million rials in Tehran on 7 September, after touching 2.30 million during the previous session. That is a rise of roughly 6 percent in a week and about 44 percent over six months. The Central Bank continues to quote something near 1.5 million, a rate almost nobody outside the state apparatus can access. The gap between the two has more than doubled since February, which is the usual signal that a managed rate has stopped managing anything.

The February blockade of the Strait of Hormuz left a lasting impression on Washington, and the response now taking shape is not a short-term fix but a structural one. Tehran’s decision to shut the chokepoint at the outset of the joint U.S./Israeli operation sent oil prices spiking more than 70 percent almost overnight, a shock severe enough that the prospect of the blockade dragging into the November midterms became a central factor pushing Trump toward a ceasefire. Having lived through that scenario once, the U.S. and its allies are now working to make sure Iran’s most potent card loses most of its value.

The Strait of Hormuz is reopening, and the oil market has already moved on. Brent settled below $79 a barrel this week, its lowest level since early March and a fourth consecutive session of losses — the longest losing streak of the year. The premium that carried Brent above $114 in March, the fear that priced in a closed chokepoint handling a fifth of the world’s crude, has bled out in the span of a few sessions. The memorandum of understanding signed by Washington and Tehran reopens the waterway without Iranian tolls for at least sixty days and clears Iran to sell oil immediately. Traders are pricing the supply. They are not pricing the wait.

The financial architecture sustaining the Islamic Republic runs, in substantial part, through Beijing. According to an estimate by the U.S.-China Economic and Security Review Commission—a body created by Congress to assess bilateral strategic risk—Chinese purchases of Iranian oil reached $31.5 billion in 2025, a figure that accounted for approximately 45 percent of Iran’s entire government budget.

"Chinese [oil] purchases equaled $31.5 billion in 2025, and accounted for 45 percent of Iran's government budget, the U.S.-China Economic and Security Review Commission, created by Congress, estimated last month."
-@PatcohenNYT, @nytimes https://t.co/g27zJpfWrK

Saudi Arabia has restored full pumping capacity on the East-West pipeline — also known as the Petroline — returning throughput to 7 million barrels per day following Iranian drone strikes that knocked out one of its eleven pumping stations in early April. The restoration was confirmed by the kingdom’s Ministry of Energy and represents the completion of a contingency plan decades in the making.

The pipeline was built during the Iran-Iraq War in the 1980s, designed precisely for this scenario: a hostile power threatening the Strait of Hormuz. Running 1,200 kilometers across the Arabian Peninsula from the Abqaiq processing hub in the Eastern Province to the Red Sea port of Yanbu, it moves Saudi crude entirely overland, rendering the strait irrelevant to the kingdom’s export capacity. In 2026, accompanying natural gas liquids pipelines were converted to carry crude oil, raising total capacity from 5 million to 7 million barrels per day.

The United States has moved to disrupt Iran’s illicit oil trade, sanctioning a China-based petroleum terminal operator, Iranian currency exchange houses, and associated networks in a coordinated State and Treasury action announced May 1, 2026.

The primary target is Qingdao Haiye Oil Terminal Co., Ltd., a Chinese terminal operator that has imported tens of millions of barrels of sanctioned Iranian crude oil since the announcement of National Security Presidential Memorandum 2 (NSPM-2). Haiye allegedly accepted cargo from vessels conducting ship-to-ship transfers with already-sanctioned ships, enabling billions of dollars to flow to Tehran through layered evasion schemes. The deceptive shipping practices involved also posed risks to legitimate maritime commerce.

The past 48 hours have produced movement on paper and paralysis in practice. Iran submitted a new proposal. The US launched a coalition recruitment drive. Neither development has changed the fundamental condition of the strait: effectively closed, economically catastrophic, diplomatically gridlocked.

Iran’s sequencing gambit. Tehran sent Washington a formal proposal via Pakistani mediators: reopen the Strait of Hormuz and end the US naval blockade first, defer nuclear negotiations to a later stage. The logic is transparent — Iranian leadership is internally divided on what nuclear concessions are even permissible, and stripping that issue from the table removes the core source of deadlock. Iranian FM Abbas Araghchi raised the framework during meetings in Islamabad over the weekend with Pakistani, Egyptian, Turkish, and Qatari intermediaries. The White House confirmed Trump discussed the proposal with his national security team Monday, but offered no indication of acceptance. Secretary of State Rubio was blunter: Iran’s version of “open” means permission-based transit with tolls, not freedom of navigation. “Those are international waterways. They cannot normalize, nor can we tolerate them trying to normalize, a system in which the Iranians decide who gets to use an international waterway and how much you have to pay them to use it,” Rubio said.

When the United Arab Emirates announced its departure from OPEC, most commentary focused on the diplomatic rupture — the end of a decades-long alliance, the tension with Riyadh, the signal it sent about the cohesion of the Gulf producer bloc. But the more consequential story is infrastructural. The UAE already has a pipeline that changes everything.

The Habshan-Fujairah Pipeline: Built for Exactly This Moment

The Abu Dhabi Crude Oil Pipeline — running 400 kilometers from the onshore Habshan oil fields to the deepwater export terminal at Fujairah on the Gulf of Oman — was completed in 2012 and was always understood as a strategic hedge against Hormuz closure. It has a nameplate capacity of approximately 1.5 million barrels per day, with expansion potential that Abu Dhabi National Oil Company (ADNOC) has publicly targeted at 1.8 to 2 million barrels per day.

The threat to close the Strait of Hormuz is the oldest line in Iranian deterrence. It has been recited since the Iran-Iraq War, repackaged after every sanctions tightening, and trotted out reflexively whenever a US carrier strike group enters the Gulf. The line works because the audience accepts the premise: that Iran could close the Strait if it wanted to. The premise is half true. Iran has the capability to disrupt traffic for days, possibly weeks. What it does not have is the capability to survive doing so.

The Strait of Hormuz is irreplaceable for Iran. It is increasingly optional for everyone else. Two decades of Gulf state infrastructure investment have built a parallel export system that bypasses the corridor entirely, and the trend is accelerating. The strategic implication is that Iran’s chokepoint leverage is depreciating in real time.

Saudi Arabia’s East-West pipeline, the Petroline, runs from Abqaiq to Yanbu on the Red Sea. Capacity has been expanded incrementally and now sits near five million barrels per day. In a Hormuz disruption scenario, the Saudis can route the bulk of their crude to a Red Sea terminal that exits via Bab el-Mandeb, a strait the Houthis can harass but the kingdom can defend more easily than a Gulf corridor ringed by Iranian territory. Yanbu is not a perfect substitute. It is a serviceable one.

Iraq is the second-largest producer in OPEC and the country most completely helpless in a Hormuz closure scenario. Nearly all of its oil exports — the revenue that funds approximately 90 percent of the government’s budget — move through terminals near Basra in the far south of the country, load onto tankers in the northern Gulf, and transit the strait to reach their buyers. Iraq has no bypass pipeline capacity of consequence, no alternative export route, and no political influence over the parties whose conflict would cause the closure. It is a bystander to its own financial ruin.

Kuwait remembers. Of all the Gulf states whose oil revenues depend on Hormuz transit, Kuwait is the one with the most direct experience of what it looks like when a regional power decides that its neighbors’ sovereignty and economic interests are subordinate to its own strategic ambitions. The Iraqi invasion of August 1990 and the seven-month occupation that followed were not a Hormuz closure, but they were something equivalent in economic and political terms: the abrupt elimination of Kuwait’s ability to govern itself and export its oil. The institutional memory of that period shapes Kuwaiti foreign policy in ways that are distinct from the other Gulf states that have not experienced occupation.

The energy transition is real. Its timeline is contested. Its implication for the Strait of Hormuz over the coming decades is one of the more genuinely uncertain strategic questions in global energy analysis — not because the direction is unclear, but because the pace will determine whether the transition reduces Hormuz’s leverage before or after the next major crisis that tests it.

The optimistic scenario runs as follows. Electric vehicle adoption reduces oil demand in transportation, which is the largest end-use sector for petroleum. Renewables displace natural gas in power generation. Industrial electrification reduces demand in heavy industry. Global oil demand peaks sometime in the 2020s or early 2030s and declines steadily thereafter. As the total volume of oil that must transit Hormuz falls, so does the economic damage that any given closure would impose, and so does the strategic leverage that Iran extracts from its position on the northern jaw of the strait.

The price of oil is not a single number. It is a cluster of interconnected prices — benchmark crudes, differentials, futures curves, physical cargo assessments — that reflect supply and demand conditions, transportation costs, refinery preferences, and risk. The Hormuz risk premium is one component of this price structure, and tracking how it enters and exits the price complex reveals something important about how markets price geopolitical threats that are real but uncertain.

Global oil markets operate with a margin of production capacity that is not currently being used. This spare capacity — oil wells that are drilled and capable of producing but are held back to manage price levels within OPEC+ target ranges — is the primary buffer that the market can deploy in response to supply disruptions. The overwhelming majority of it sits in the Gulf. In the event of a Hormuz closure, that spare capacity would be simultaneously the most valuable resource in global energy markets and the one most completely inaccessible, because the wells that hold it are connected to export terminals that require the strait to reach their buyers.

Every serious analysis of Hormuz closure scenarios eventually arrives at the same question: how much oil can get out without using the strait? The answer, consistently, is not enough — and understanding why requires examining the bypass infrastructure that exists, the infrastructure that has been proposed, and the fundamental mismatch between pipeline capacity and the volumes the strait normally moves.

The numbers establish the problem. On a normal day, somewhere between 17 and 21 million barrels of crude oil and petroleum products transit Hormuz. The combined nameplate capacity of all existing bypass pipelines is a fraction of that figure, and nameplate capacity is not operational capacity. The infrastructure must be maintained, staffed, protected, and in some cases reversed from its normal flow direction before it becomes useful in a closure scenario. The gap between what the strait moves and what the alternatives can handle does not close quickly.

The Strait of Hormuz has never been closed. The threat of closure has been used repeatedly as a diplomatic instrument by Iran, and incidents in the strait have periodically elevated insurance premiums, rerouted tankers, and spiked oil prices. What has not happened, in the modern era of global oil dependence, is a complete cessation of transit. This absence of precedent does not mean the scenario is implausible. It means that the consequences of closure must be modeled rather than observed, and the models are sobering.

Approximately 20 million barrels of oil and petroleum products transit the Strait of Hormuz on an average day. The figure is so large and repeated so frequently in energy commentary that it has become almost abstract. Decomposing it into its constituent flows reveals a more specific picture of what is actually at stake — which countries, which companies, which commodity streams, and which supply chains run through twenty-one miles of contested water.

Before a single missile is fired, before a mine is laid, before a naval vessel changes course, the insurance market registers the threat. War risk premiums on tankers transiting the Persian Gulf are among the most sensitive geopolitical indicators available. They move faster than official statements, faster than military repositioning, and faster than most news coverage. The underwriters at Lloyd’s of London are not strategists, but their pricing reflects a continuous aggregation of threat intelligence that rivals most government assessments.