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Iran Conflict 2026
31JUL

Oil jumps as Hormuz calm breaks

2 min read
09:24UTC

Brent crude rose toward $73 and West Texas Intermediate above $69 within hours of the strike, erasing five sessions of calm in which tankers had cleared Hormuz at pre-war rates.

ConflictDeveloping
Key takeaway

Brent and WTI jumped within hours, unwinding a five-session calm over the Hormuz strait.

Brent Crude rose toward $73 a barrel and West Texas Intermediate above $69 within hours of the Hormuz strike⁠1, unwinding a calm that had settled over five trading sessions. Brent is the benchmark that prices roughly two-thirds of the world's traded crude; WTI is its US counterpart. Both had drifted lower as the corridor reopened and traders wrote down the war premium.

That calm had gone further than a lull. Thirty-five tankers cleared the strait at pre-war rates on 2 July, the first such count of the conflict, and Saudi Arabia had pushed 34 million barrels through Hormuz since the June truce⁠2. The recovery rested on shipowners absorbing risk their insurers still refused to price down, which is why a single hit could take it back in an afternoon.

The transmission runs straight to the pump. Al Rekayyat was carrying gas, not crude, so the strike put liquefied natural gas alongside oil in the price risk for the first time in the corridor dispute, and both feed household petrol and heating bills.

Deep Analysis

In plain English

Oil prices went up right after the missile strike on the tanker. Brent Crude, the main global oil price benchmark, moved toward $73 a barrel, and the US benchmark, West Texas Intermediate, went above $69. Prices had been calm for almost a week because ships were moving through the strait again at close to normal rates. One attack was enough to undo that calm quickly, because oil traders had priced in safety that turned out not to be guaranteed.

Deep Analysis
Root Causes

Thin northern-hemisphere summer trading volume amplifies any single headline; a strike landing on a five-session calm moves price further than the same news would during a liquid winter session.

Options positioning built up during the calm, when traders had sold volatility on the assumption the truce would hold; the strike forced rapid buy-backs of that short-volatility exposure, adding a mechanical push on top of the news itself.

What could happen next?
  • Consequence

    A sustained price rise above $75 would test whether OPEC+ spare capacity, not just Gulf transit volume, becomes the market's next reference point.

First Reported In

Update #148 · Iran shoots the Hormuz route it rejected

The National· 7 Jul 2026
Read original →
Different Perspectives
United States (Joint Maritime Information Center)
United States (Joint Maritime Information Center)
The JMIC, the US-led naval reporting cell, rated the Hormuz threat "severe" in its 25 October advisory, as reported by gCaptain, and warned of possible renewed mining. Eight days earlier it found no substantiation for the Guards' mine claims, while US-facilitated transits ran at about 34 a day.
United Kingdom (CPS and Counter Terrorism Policing)
United Kingdom (CPS and Counter Terrorism Policing)
The CPS charged two men under the National Security Act 2023 over the RAF Fairford incident, and Counter Terrorism Policing said it believes the foreign intelligence service involved is Iran's, LBC reported. The case now runs through the courts; both men are charged, not convicted.
Aden and Yemen's recognised government
Aden and Yemen's recognised government
The Houthis told people to leave Aden airport, in the government-held south, before a missile fell there on 28 October, AFP reported, and police reported a second attack that afternoon. The fight between Riyadh and the Houthis is landing on the south's main civilian airport.
Qatar (mediators)
Qatar (mediators)
Qatar-led mediators put new terms to Iran this week, which an Iranian official called "ideas, not a proposal". Riyadh framed the Tehran meeting as support for Qatari and Pakistani mediation, keeping Doha at the centre of the indirect channel.
Korea Shipowners' Association
Korea Shipowners' Association
The association said the ships Iran listed were sub-chartered to an overseas oil company, not owned by Sinokor, carried no South Korean crew, and that Sinokor was unaware of the warning. South Korea's shipowners are contesting whose vessels the notice covers before it takes effect.
Kuwait (foreign ministry)
Kuwait (foreign ministry)
Kuwait summoned Iran's ambassador, Mohammad Toutounji, and handed him a protest note over the embassy's denial that its citizen took part in the alleged plot against Interior Minister Fahad Al-Yousef. Kuwait is answering through its courts and a diplomatic protest, citing international law and the UN Charter.

Written with AI from Lowdown's published reporting. Not individually reviewed by an editor. Editorial standards.