Trump rejects Iran's Hormuz plan: what it means for oil, diesel, heating oil and gas

1. What Iran offered, and why Washington said no

The offer came in two steps. On 22 September a senior Iranian official told Reuters that Tehran could reopen the strait within seven days if the United States eased military pressure and lifted the blockade (Israel Hayom citing Reuters). On 25 September Foreign Minister Abbas Araghchi presented the worked-out roadmap at the UN General Assembly: release of frozen Iranian funds, an end to oil sanctions and an end to the naval blockade, steps he said could be done in four to five days, with the strait reopened and final negotiations started on day seven (Al Jazeera). According to CBS News the package also covered a ceasefire across every front in the region, Lebanon included, with Qatar, Oman and UN officials in the middle.

President Trump rejected it on 26 September in front of reporters: "I'm rejecting their deal," adding that Iran wanted an agreement only "because they are losing so badly" (CBS News). The United States, he said, controls the strait (Times of Israel). The Wall Street Journal has reported that Trump told aides he expects to resume bombing after the November midterm elections (cited by Times of Israel). Araghchi's reply on 27 September: Iran will not back down on its conditions, only a negotiated settlement can end the stand-off, and Tehran is waiting for the mediators to relay Washington's final position (Al Jazeera, CBS News).

As of 2 October: the reply is in, the deal is not, and the threats are growing sharper. Araghchi met the Qatari mediators in New York on 28 September and expected the formal US reply by Tuesday (Al Jazeera). Trump told Axios the same day: "They want to make a deal, but it is not the deal that I want to make", and denied any concession: "I offered them NOTHING!"; a US official called the indirect talks "positive and constructive" but said there would be no deal unless the nuclear issues were addressed (CBS News). The reply arrived on 30 September via Qatar: according to Gulf News the two sides largely agree on the required steps but remain divided over their sequencing, in other words over who moves first. Iran's demands stand: an end to the naval blockade, sanctions waivers, release of about $12 billion in frozen assets and a regional ceasefire including Lebanon; Washington wants a comprehensive package that covers the nuclear programme (Al Jazeera). Araghchi: "We are fully prepared for the time for the war to be resumed" (Al Jazeera).

Since the US reply the tone has hardened on both sides. Iran threatened on 29 September: chief negotiator and parliament speaker Ghalibaf said that in a region where Iran cannot sell oil, nobody else will sell oil either, and that if Iran's security is not guaranteed, no infrastructure will remain safe; the Revolutionary Guards spokesman, Mohebbi, said: “Any vessel attempting to pass through sustains damage, either we strike it, or it hits a mine” (Times of Israel). The US side counters that it has the strait under control (Times of Israel, 26 September); the Revolutionary Guards explicitly called it “closed” on 29 September and disputed that account (Times of Israel). On 1 October Trump said: “We have to make that decision: We blow them up or make a deal” and “It's gonna end very soon, one way or the other”; whether bombing resumes after the election on 3 November he left open. The carrier group around USS Theodore Roosevelt left San Diego on 27 September and is due in the Arabian Sea between late October and late November, to join USS George H.W. Bush and USS George Washington (Gulf News). On 1 October a tanker in the Strait of Hormuz was also hit by an unknown projectile; it caught fire, the crew was unhurt and no one was named as responsible (UKMTO via Asharq Al-Awsat).

So the seven-day offer has failed, but the channel is open and the gap narrower than a week ago. The two sides read the situation in opposite ways: Washington sees Iran under pressure with no reason to be given concessions, Tehran sees the next move as Washington's. The record argues for caution either way. After the failed Islamabad talks the United States imposed its naval blockade in April, a memorandum did emerge in June, and on 8 July the ceasefire broke down again (Wikipedia, 2026 Strait of Hormuz campaign).

3. Three scenarios after the rejection

Scenario 1, stalemate: the rejection stands, the mediators keep working, and the strait stays a bottleneck that the US side calls controlled and the Revolutionary Guards called “closed” on 29 September (Times of Israel). That is where things stand on 2 October, now with a US reply on the table. The week after the rejection showed what this scenario looks like: Brent jumped more than four dollars in early trade on 28 September and settled only about one per cent higher at $105.28 as Qatar announced separate talks (investingLive); on the 29th it fell 2.6 per cent to $102.59 as Saudi Arabia resumed exports via Yanbu (Reuters via The Nation); on the 30th the expiring November contract settled at $103.53 and the December contract at $98.03 (Bloomberg via Rigzone); on 1 October the December contract jumped 4.37 per cent to $102.31 after Chinese refiners suspended product exports other than to Hong Kong and Macau until further notice, according to four people familiar with the matter and without official confirmation from China (Reuters via Dawn); at 13:14 on 2 October it stood at $100.03 (HeizOel24.ch), and in the afternoon it briefly fell below $99 (Trading Economics), after the G7 decided to release 100 million barrels through the IEA, starting immediately and spread over four months, with a “substantial” share of diesel in the first 20 days (The Irish Times, 16:25). Supply pushes down, diplomacy holds the premium, and news such as the Chinese export halt or the G7 decision on reserves moves the price by several dollars within a day; Brent stays well above the summer but far below the monthly high near $110. For heating oil this means a high price with no clear direction: German heating oil at €164.57 per 100 litres at 12:24 on 2 October (HeizOel24), French ordinaire at €1,849 per 1,000 litres on 1 October (prixfioul.fr).

Scenario 2, a deal after all: crude reacts first and hardest. When reports of an agreement circulated on 12 June, Brent fell 3.37 per cent in one session to $87.33 (Yahoo Finance); Goldman Sachs put the value of a normalisation one month earlier at roughly $10 a barrel for late 2026 (Yahoo Finance, 21 June). Diesel and heating oil would follow more slowly, because US distillate stocks are at their lowest September level since 1982 (EnergyNow) and Russia's diesel export ban runs to the end of October (Hydrocarbon Processing). Gas would move with oil, because a reopening would bring Qatari LNG back.

Scenario 3, escalation: attacks on ships, pipelines or ports, or a return to air strikes. The market knows the pattern from the summer: after the ceasefire broke on 8 July, Brent climbed from $71.57 on 1 July to $96.78 on 24 July, and the year's high was $118.35 on 31 March (Wikipedia). This time diesel rather than crude would lead, because stocks are empty and on 26 September Ukrainian drones halted the Ilsky refinery in Russia's Krasnodar region, which produces nearly 6.6 million tonnes of fuel a year (Kyiv Independent). The political risk is now spelled out: Trump left open on 1 October whether to resume attacks after the election on 3 November, and a third aircraft carrier, USS Theodore Roosevelt, is due in the Arabian Sea between late October and late November (Gulf News); Iran threatened on 29 September to attack infrastructure and ships (Times of Israel), and on 1 October a tanker was hit (UKMTO via Asharq Al-Awsat). Which scenario plays out will be settled between Washington, Tehran and the mediators, not on the exchange; our Oil price today page keeps the daily reading.