Tehran compresses its Hormuz offer to two days while enforcing a first-ever fleet-wide ban on the world’s largest tanker owner

Araghchi told Al Jazeera on Saturday that “the Qatari side proposed shortening the implementation period of the Iranian proposal to five days. We have reached a proposal at this stage that reduces the implementation period to two days,” and that Tehran demands recognition of shipping routes discussed by Iran and Oman in the Strait of Hormuz and the closure of other routes. That second clause is the offer. What is on the table is not a reopening but the opening of a designated lane on Iranian terms, with the remaining routes shut and Tehran holding the key — a point Araghchi made himself, on the record, rather than one inferred by his critics. He added that reopening on Iran’s conditions “paves the way for the resumption of negotiations with Washington regarding outstanding issues.” The seven-day version of the same plan has been on the table since at least 18 October, when he told an OIC meeting in Baghdad the US had shared comments Iran was reviewing. CBS News reported, citing a single source familiar with the diplomacy, that Qatari mediators were in Tehran on Friday carrying edits to the draft.

Washington’s answer, delivered the same day at the G20 in Atlanta, was that there is nothing to answer. Rubio said Trump has not made a decision on fresh strikes and, per The National, has set no deadline for diplomacy, while declining to rule out resuming military operations: “We can achieve military objectives if we seek to.” That sits uneasily beside Wall Street Journal reporting, anonymously sourced and neither confirmed nor denied, that the United States has told Gulf states to prepare for a short, intense campaign after the 3 November midterms, with Tehran promising to strike energy targets in reply. Both can be true. Separately, Mojtaba Khamenei ordered the armed forces to meet any further attack with what Iranian media rendered as an “unrestricted response” and no geographic limits. CBS notes he has not been seen in public since becoming supreme leader after his father was killed in US-Israeli strikes at the start of the war in February — eight months of unverified absence behind escalation orders nobody can price.

Underneath the diplomacy, Iran spent the week building leverage out of paperwork rather than ordnance. The Persian Gulf Strait Authority said it will take legal action against all Sinokor vessels from 1 November, alleging the South Korean owner’s fleet committed the most violations of its Hormuz transit rules; Bloomberg first reported the move on 27 October, and Seatrade and Splash247 confirmed the scope. Sinokor is the world’s biggest oil tanker owner and the dominant VLCC operator, and has carried millions of barrels out of the strait in recent weeks. The notice does not stop at the shipowner: it warns cargo owners, beneficiaries and insurance providers, which is an attempt to reach the London market through a Korean fleet. The physical campaign, by contrast, is getting harder to verify. The IRGC and the regular military claimed on 29 October that three and then four tankers struck mines on an “unauthorised route”; no vessel has been named. CENTCOM denied a parallel Iranian claim to have destroyed an unmanned US surface vessel. The one incident with a hull name — the Panama-flagged Louise 1, two limpet mines, 46km northeast of Khasab — came from Reuters citing shipping industry sources, and it was an attack, not a minefield.

Assessment: Read the week by what can be checked. Araghchi’s two days and Rubio’s no-deadline are both positions, and positions are cheap three days before a midterm. The Sinokor notice is an instrument: it is dated, it names a party, and it travels down the chain to insurers, which is where Hormuz risk is actually priced. Watch whether anything is boarded or detained today; a ban with no enforcement event tells you as much as one with. Distrust three things. First, the tanker arithmetic — three claimed on Thursday, four on Friday, two “stopped” the same day, zero named across all of it, while the only named hull was attacked by someone in a small boat. Second, the mediator record: Pakistan brokered a June memorandum and a July deal, and both collapsed within days. Third, the price. Brent held near $112–115 through a record month for attacks because cargo is transhipping ship-to-ship outside the strait. If that workaround is real, Tehran’s lane is worth less than the offer implies — and both governments know it.