Ship trackers count single-digit Hormuz transits while Washington claims record volumes moving

Al Jazeera published a direct comparison on 3 September under the headline “How much oil is going through Hormuz? How data doesn’t match US claims.” Per Kpler, six vessels crossed the Strait of Hormuz on Wednesday, 11 on Tuesday and five on Monday, a 10-day average of 13 vessels a day, with other ship-tracking services showing a similar pattern. Against that, Trump says the United States is helping around 30 ships cross daily. TradingEconomics, in its Brent commentary, carries a third set of numbers: US Energy Secretary Chris Wright said 17 million barrels transited the strait on Monday, the highest daily volume since the war began, while Kpler showed four commodity vessels on Tuesday, down from 10 on Monday. The two outlets report different Kpler counts for the same days — plausibly a vessel-category difference, but that is unconfirmed, and the series should not be blended.

The baseline is not in dispute. Al Jazeera reported on 20 August that the strait carried one-fifth of the world’s oil and LNG before the war began on 28 February, with roughly 130 ships passing daily; over 19 days in August 2026 the total was 236, about 12.4 a day, a fall of roughly 90 percent. Prices have followed. Bloomberg reported on 2 September that WTI settled above $90 a barrel on a three-session winning streak and Brent ended above $95 for the first time since late July, the highest close in five weeks. The US Energy Information Administration’s Short-Term Energy Outlook records Brent falling as low as $69 a barrel on 2 July following the June US-Iran memorandum of understanding, before renewed attacks later that month. On enforcement, United Against Nuclear Iran — an advocacy organisation, not a neutral tracker — says US forces had redirected 84 commercial vessels, disabled three and boarded two as of 1 September.

Assessment: Wright’s 17 million barrels on a Monday when trackers counted between four and ten hulls is the claim to interrogate first; it is arithmetically possible only under assumptions nobody has published. The wider tell is that the administration’s numbers describe the waterway as functioning while commercial data describes a 90 percent collapse, and the price is siding with the data. Note too what the trackers themselves concede: Windward, which holds AIS and imagery, reported media claims that US drones struck two Iranian government tankers in the engine room on 2 September and expressly said it could corroborate neither. When the firms with the sensors decline to confirm, treat every transit figure — including Kpler’s — as a partial view.