Tehran is now administering Hormuz, not blocking it, and the region’s trade routes are being repriced around the toll

The most consequential document of the week was not a communiqué but a list. Windward, the maritime analytics firm, examined 78 vessels blacklisted by Iran’s Persian Gulf Strait Authority across three releases dated 24 August, 2 September and 14 September, and found that every one had used either the unauthorised southern corridor through Omani waters or Iran’s own northern corridor without paying tolls. The blacklist, Windward says, is tanker-heavy and UAE-heavy. That is not the profile of a blockade. It is the profile of a customs authority with a debtors' register. Tehran established the Strait Authority in May and has not published an official tariff; Windward cites reporting of a $1.00-per-barrel structure for tanker cargoes and says some vessels have paid up to $2 million per transit, while Iran’s First Vice President has stated that “enemy” military equipment will not be permitted to pass at all. Throughput remains catastrophic against any normal baseline. Windward counted twelve transits on 16 September, double the previous day’s six, with three very large crude carriers crossing dark, inbound and in ballast — empty tankers joining a loading queue, not exports leaving.

The price of that administration is being paid in other people’s waterways. Brent settled at $104.82 a barrel on Thursday, down $1.01, and US crude at $101.91, after Riyadh signalled it could work around the damaged East–West Crude Oil Pipeline by shifting cargoes back through Hormuz and offering ship-to-ship transfers to Asian refiners just outside the strait near Sohar — a detail CNBC attributes to unnamed sources familiar with the arrangements. WTI was still up more than 18 per cent over the month. Every reroute creates a new chokepoint to be priced. Bloomberg, using CAPMAS data, reports Suez Canal revenue rose 42 per cent in July year-on-year, with 1,340 vessels transiting against 1,208 in June — Egypt’s windfall is Hormuz’s deficit. And when Saudi Arabia moved more of its exports to the Red Sea route in July, the Houthis struck two tankers carrying Saudi crude, per Bloomberg. On Thursday the kingdom’s civil defence agency said a Yemeni resident was killed and two people injured in Taif by debris from an intercepted Houthi drone: the first death announced in Saudi Arabia this month, in a week Al Jazeera counts as having killed at least five people on both sides, three of them children.

The human bill of the administered strait is older and larger than either number. Al Jazeera reported on 6 August that the International Maritime Organization had confirmed 64 incidents and 17 deaths in the region since the war began, with at least 6,000 seafarers still stranded in and around Hormuz. Those men are not a side effect of a toll regime; they are its collateral, held in a queue whose clearing rate is set in Tehran. The Associated Press, writing a week after Houthi forces pushed down the Red Sea coast, framed the campaign as handing Iran fresh leverage precisely as Washington claims to be loosening its grip on Hormuz — while noting that the strike on the East–West pipeline was blamed on Iran-aligned Iraqi militias, a separate actor and an allegation rather than a finding. President Trump said on Wednesday that “hopefully we’re toward the end of the war.” The toll architecture is being built as though nobody believes him.

Assessment: What changed this week is institutional, not military. A blacklist with three publication dates, a corridor distinction and a discernible enforcement bias is the apparatus of a state charging rent on a chokepoint, and it will outlast any ceasefire announcement because the revenue does. Distrust the framing on all sides. Windward is a commercial analytics vendor selling exactly the risk it measures; its 78-ship sample is the best evidence available and is still one firm’s read. The $2 million-per-transit figure and J.P. Morgan’s modelled $70–90 billion annual ceiling are conditional estimates, the latter reaching us via a partisan outlet. Kpler’s ten-day average of 13 transits and Windward’s count of twelve are different instruments and should not be stacked. Washington’s insistence that the waterway is “fully open” is contradicted by every tracking service cited. And note the asymmetry: the toll is denominated in dollars per barrel, but the cost is being collected in Taif, in Suez, and from 6,000 seafarers nobody is negotiating for.