Oil does not have to stop flowing through the Strait of Hormuz for Australians to keep paying for the conflict.

It only has to become more dangerous, more expensive and less predictable to transport.

That is the uncomfortable distinction behind the latest developments in the Middle East. Ships continue to move, but the passage of another tanker is no guarantee that the next cargo will arrive safely — or that Australian motorists and businesses will receive meaningful relief.

Brent crude settled at US$116.72 a barrel on Friday, October 23, its highest close since late April. Renewed attacks in Saudi Arabia and concerns about further disruption to regional energy supplies helped drive the increase.

For Australia, the question is becoming larger than whether there is fuel available today.

It is how long households and businesses can absorb the cost of an international supply system operating under sustained pressure.

Are Iranian ships still sailing?

The answer requires a distinction between ships moving, cargoes being transferred and fresh Iranian crude reaching overseas customers.

United Against Nuclear Iran, an advocacy organisation that monitors tanker movements, reported on October 1 that dozens of vessels carrying Iranian oil and petroleum products were clustered along Iran’s coastline. It identified some smaller LPG and naphtha shipments passing the blockade, but said it had not tracked a loaded Iranian crude tanker successfully escaping enforcement and departing the Gulf of Oman.

That is substantially different from Iran conducting its normal export trade.

Reuters reported in September, citing three shipping intelligence businesses, that no Iranian crude cargo had successfully passed through Hormuz to China since the American blockade resumed in July. Previously exported oil held offshore helped sustain deliveries after fresh shipments were interrupted.

Consequently, an Iranian-linked tanker appearing at sea does not necessarily demonstrate that the blockade has failed. It may be carrying an older cargo, operating locally or participating in a different petroleum trade.

Nor does the evidence justify declaring that every Iranian vessel has been immobilised. Shipping surveillance has limitations, particularly when vessels conceal their movements.

The defensible conclusion is narrower: Iran’s normal crude export route has been severely constrained, while some other maritime activity continues.

Why is oil still expensive if other tankers are getting through?

Because volume and security are different things.

A shipping route can carry substantial quantities of oil while remaining dangerous and costly to use.

Recent reporting indicates that regional exports have recovered considerably. But that recovery depends on shipowners accepting exceptional risks, alternative export routes and complicated transport arrangements. It does not establish that ordinary trading conditions have returned.

Meanwhile, Iran’s state television claimed seven tankers were damaged or caught fire overnight on October 21–22. The Associated Press presented that account as a claim requiring verification, rather than an independently established tally. The distinction matters: wartime announcements should not automatically become confirmed facts.

Nevertheless, the broader deterioration is not simply a matter of Iranian announcements. Reuters reported that October had recorded the highest number of confirmed and reported shipping attacks of any month since the conflict began.

For buyers, the concern extends beyond the cargo already delivered. They must consider whether replacement supplies will arrive, what transport will cost and whether another escalation will interrupt the next shipment.

Oil markets price that uncertainty before an Australian service station runs short.

Australia buys into the consequences

Australia’s exposure does not depend on buying Iranian oil directly.

Our fuel market is connected to international markets for crude and refined petroleum products. Disruption in one important producing region can change the prices buyers face elsewhere.

The Australian Competition and Consumer Commission identifies international benchmark prices as the largest influence on domestic fuel prices. For petrol, the relevant regional benchmark is Singapore Mogas 95. Exchange rates also affect what Australian importers pay.

This helps explain why an Australian motorist cannot judge the next bowser price simply by watching one overnight movement in Brent crude.

Refining conditions, the Australian dollar, shipping, wholesale arrangements and local retail competition all sit between the international oil headline and the price displayed beside the road.

There is also a practical distinction between having access to fuel and having access to affordable fuel.

Deliveries can continue while the economic damage accumulates.

The cost travels beyond the service station

For a household, expensive fuel reduces the money available after the weekly essentials.

For a business, it creates a decision: absorb the increase, pass it on or reduce activity.

A transport operator may introduce or increase a fuel surcharge. A tradesperson may review call-out charges. A farmer may face higher operating costs before receiving any additional income from the eventual sale of produce.

Those pressures can then move through distribution, services and retail prices.

The effects are uneven. A commuter with limited public transport has fewer options than someone who can leave the car at home. A regional business covering long distances has different exposure from an office business whose staff work remotely.

Tourism communities face another complication. The cost of reaching a destination can influence whether visitors travel, how long they stay and how much they spend once they arrive.

A coastal town does not need to experience a fuel shortage to lose business because of expensive fuel.

There is no reliable date for relief

High oil prices are not necessarily permanent. Safer shipping, a durable political settlement and improved supply conditions could ease pressure.

But it would be equally unwise to treat continued tanker movements as proof that the crisis is passing.

The relevant questions are whether ships can travel consistently, whether infrastructure remains operational and whether transport and insurance costs move towards more ordinary levels.

For Australian policymakers, that makes fuel resilience an economic issue as well as a supply issue.

Stockholdings, dependable import arrangements, domestic refining capability and opportunities to reduce oil dependence all deserve attention. Their value lies in reducing the consequences of the next disruption as well as managing this one.

The Times View

Australia should avoid both complacency and exaggerated predictions of imminent collapse.

There is a meaningful difference between a threatened supply route and a nationwide fuel shortage. There is also a meaningful difference between oil arriving and the economy being protected.

Iran’s constrained exports have not removed its ability to threaten shipping. Other producers getting cargoes to market have not restored confidence that those deliveries can continue safely.

For Australians, the consequence is a continuing claim on household income and business earnings by a conflict far beyond our control.

A country can keep receiving fuel while becoming steadily poorer paying for it.