This revised report sets out the key business context behind Oil Back Near $110 After Trump’s Iran Threat: Why Hormuz Moved Markets, preserving the original facts while improving clarity and flow.
Oil prices moved back above the psychologically important $110-a-barrel area in early April 2026 as the confrontation between the United States and Iran intensified and the Strait of Hormuz remained disrupted. The move followed another sharp warning from US President Donald Trump, who threatened severe attacks on Iranian infrastructure unless Tehran reopened the shipping route and accepted a deal by his deadline. For energy markets, the political language mattered because the strait normally carries roughly one-fifth of global oil and gas supply. The price reaction was therefore not simply about rhetoric; traders were trying to quantify the risk that a prolonged closure could remove large volumes of Middle Eastern energy from normal trade routes.
What happened to oil prices
Reuters reported that Brent crude settled at $109.77 a barrel on 6 April 2026 after volatile trading, while US West Texas Intermediate settled at $112.40. Intraday prices moved around those levels as traders reacted to each new diplomatic statement and military development. The unusual feature was that WTI, which often trades below Brent, was also being influenced by intense demand for alternative barrels as refiners sought supplies outside the disrupted Gulf routes.
That price action came after weeks of disruption in and around the Strait of Hormuz. Iran had restricted normal transit through the waterway following the US-Israeli conflict, while some vessels linked to countries Tehran considered friendly were reportedly allowed limited movement. With shipping risk elevated and insurance costs rising, the market had to price not only the number of barrels physically delayed but also the uncertainty over how quickly normal traffic could resume.
Why the Strait of Hormuz matters so much
The Strait of Hormuz is one of the world’s most important energy chokepoints. Large volumes of crude oil, refined products and liquefied natural gas from Gulf producers normally pass through the narrow route between Iran and Oman. When traffic is interrupted, the impact spreads quickly beyond the Middle East because Asian refiners, European buyers and global shipping companies all depend on predictable flows.
Not every producer in the region has enough pipeline capacity to bypass the strait. Alternative routes can absorb some barrels, but not the entire normal flow. That means a prolonged closure can tighten the physical market even if global oil production remains high in aggregate. Traders therefore tend to add a geopolitical risk premium when Hormuz is threatened, particularly when the disruption is already affecting vessel movement rather than remaining only a hypothetical scenario.
Trump’s threat raised the stakes
On 5 and 6 April, Trump sharply escalated his public pressure on Iran, saying Tehran had until Tuesday evening to reopen the strait and reach a deal or face attacks on power plants and bridges. The wording was unusually aggressive and was reported by multiple international news organisations. Iran rejected the demand to reopen the waterway immediately and continued to push for different terms through mediators.
For markets, the significance was the possibility that military action against infrastructure could widen the conflict and delay any reopening. Energy traders do not need to believe that every threat will be carried out in order to react. If the probability of escalation rises, companies may hold more inventory, shipowners may demand higher rates, insurers may raise premiums and refiners may bid more aggressively for barrels that are already outside the affected region.
Diplomacy was moving at the same time
The confrontation was not occurring without diplomacy. Pakistan and other regional actors were involved in attempts to create a framework for de-escalation. The United States and Iran were exchanging proposals indirectly even as both sides issued hard-line public statements. That combination—military threat and active negotiation—helped explain the choppy price action.
Oil markets often move sharply when negotiations appear to improve or deteriorate because the impact on supply can be immediate. A credible path to reopening Hormuz can remove a large risk premium within hours, while the collapse of talks can do the opposite. This was demonstrated the following day when news of a two-week ceasefire sent crude sharply lower, with Brent later settling below $100.
Why $110 mattered but was not a magic number
Round numbers such as $100 or $110 attract attention because they are easy reference points for investors and consumers. But there is nothing mechanically different about an oil market at $109.90 and one at $110.10. The real issue is how long elevated prices last and whether they feed into fuel, transport, manufacturing and inflation expectations.
A brief spike can be painful for traders and airlines without dramatically changing household budgets. A sustained period above $100 is more consequential. Refiners pay more for feedstock, road-fuel prices tend to rise with a lag, petrochemical inputs become more expensive and governments may face pressure to respond. Central banks also watch persistent energy shocks because they can complicate efforts to control inflation even when the original cause is geopolitical.
How Asian buyers were affected
Asian economies were particularly exposed because a large share of Gulf crude normally moves east through Hormuz. Reports at the time described refiners looking for alternatives from the United States, the North Sea and other regions. Some large consumers also took steps to conserve supply or adjust refinery operations while uncertainty persisted.
Substitution is possible, but it is not frictionless. Crude grades differ in quality, shipping distances vary and refinery configurations are designed around particular feedstocks. Replacing a Middle Eastern barrel with another barrel from a distant region can therefore raise freight costs and alter refinery economics. These secondary effects help explain why a chokepoint disruption can influence global prices even when alternative oil exists elsewhere.
What OPEC+ could and could not do
OPEC+ was another part of the supply debate. Producers outside the immediate disruption could increase output, and the group had agreed to add some supply. But additional production does not automatically solve a shipping problem. If the extra barrels are themselves located behind the same chokepoint, the market still needs a safe route to move them.
Spare capacity also takes time to deploy and may not perfectly match the grades refiners need. For that reason, traders focused on both production policy and physical shipping conditions. A headline about higher OPEC+ output could be bearish for prices under normal circumstances, yet have a muted effect if tankers still could not move freely through Hormuz.
The role of inventories and emergency stocks
Commercial inventories and strategic petroleum reserves can cushion a temporary disruption. Large consuming countries maintain emergency stocks precisely because wars, disasters and infrastructure failures can interrupt supply. Releasing reserves can buy time while diplomatic or military conditions improve.
However, stock releases are a bridge, not a permanent substitute for production and trade. If a closure lasts for months, inventories become progressively more important and governments face harder choices about how quickly to draw them down. Markets therefore watch both official reserve policy and weekly commercial inventory data when geopolitical supply risks are elevated.
What happened next
The immediate $110 move did not become a one-way climb. On 7 April, Trump announced a two-week ceasefire with Iran shortly before his deadline, and oil prices dropped sharply. Reuters reported Brent settling at $94.75 and WTI at $94.41 as traders priced in the possibility that the Strait of Hormuz would reopen and supply disruptions would ease.
That reversal showed how much of the price was tied to expected future disruption rather than simply current production. It also showed the risk of chasing geopolitical price moves: the same headline sensitivity that can send oil rapidly higher can reverse the move when diplomacy improves. The broader conflict remained unresolved, so volatility continued beyond that single session.
What consumers and businesses should watch
For UK consumers, the most visible channel is usually petrol and diesel prices, although retail fuel does not move one-for-one with crude. Exchange rates, refinery margins, taxes and local competition all matter. Airlines, logistics companies, manufacturers and energy-intensive businesses can feel the impact more directly through hedging costs and input prices.
The most useful indicators are not a single oil quote but a group of signals: whether Hormuz traffic is normalising, whether insurers and shipowners are willing to use the route, whether diplomatic agreements hold, how inventories are moving and whether major producers can redirect supply. Those factors determine whether a price spike becomes a lasting energy shock.
Bottom line
Oil’s return to around $110 in early April 2026 reflected a genuine physical and geopolitical risk. The Strait of Hormuz was disrupted, US-Iran rhetoric intensified and traders could not assume that Middle Eastern supply would move normally. Trump’s deadline added urgency because threatened attacks on Iranian infrastructure could have widened the conflict.
The subsequent price fall after a ceasefire announcement underlined the other side of the story: when a market contains a large geopolitical risk premium, even a partial diplomatic breakthrough can remove it quickly. The lesson from the episode is that Hormuz matters not just because of how much oil passes through it, but because uncertainty over that flow can reprice energy around the world within hours.
Sources and verification
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