Why Wars Move Oil Markets
There is a centuries-old relationship between war and resource prices. But nowhere is that relationship more immediate, more volatile, or more consequential than between armed conflict in the Middle East and the global price of oil. When the United States and Israel launched coordinated strikes against Iran over the weekend of March 1–2, 2026, energy markets snapped to attention — because history demanded it.
The mechanism is straightforward: oil is a globally traded commodity priced on expectation. When traders anticipate supply disruptions — whether from damaged infrastructure, blocked shipping lanes, or producer nations cutting output in retaliation — prices spike before a single barrel is lost. This "geopolitical risk premium" has been documented in every major Middle East conflict of the past half-century, from the 1973 OPEC embargo to the Gulf War, from the 2003 Iraq invasion to Russia's 2022 Ukraine invasion.
"Goldman Sachs estimates that traders are demanding roughly $14 more per barrel of oil today than before the conflict — a premium that roughly maps to the market's pricing of a full four-week halt in Strait of Hormuz flows."
— Goldman Sachs Research, March 3, 2026What makes this conflict structurally different from most is geography: Iran does not merely produce oil — it controls the narrow waterway through which a quarter of the world's daily oil demand must pass. That gives Tehran an asymmetric lever that few other actors in global energy possess. Even without firing on a single tanker, the mere threat of closure has been enough to effectively halt traffic through the Strait of Hormuz in the days since the conflict began.
The 1990–91 Gulf War remains the clearest historical template for what happens to oil prices when Middle East conflict erupts — and the pattern unfolding today is strikingly familiar.
How Much of the World's Oil & Gas Comes From the Middle East?
To understand the stakes, one must first reckon with the scale of Middle Eastern energy dominance. The region is not merely an important supplier — it is the indispensable backbone of the global oil trade, a position built over a century of extraction and cemented by the sheer geological fortune of its reserves.
The IEA estimates the Middle East produced 30.2 million barrels per day in 2024 — roughly 31% of global crude output — and the region is projected to remain the dominant oil exporter well into the next decade, dispatching three times more volumes than the next largest exporter, North America, by 2035. Saudi Arabia, Iraq, the UAE, Iran, and Kuwait together anchor that dominance, collectively supplying around 30% of global oil production and 17% of global natural gas production in 2024. Saudi Arabia's output alone dwarfs that of most entire continents.
For natural gas, the picture is even more concentrated. Iran holds 15.8% of the world's total proven gas reserves — the second-largest in the world — though it exports only a fraction due to long-standing sanctions. Qatar, directly across the Gulf from Iran, is the world's dominant LNG exporter, leveraging the enormous North Field — the single largest natural gas reservoir ever discovered. Combined, the Middle East holds roughly 40% of the world's natural gas reserves, according to MENA regional data.
Which Facilities Have Been Hit in Qatar & Saudi Arabia?
In the days following the initial US-Israeli strikes on Iran, Tehran responded with what analysts described as an unprecedented wave of retaliatory attacks on neighbouring energy infrastructure — a dramatic escalation that rattled energy markets far beyond what initial strike scenarios had modelled.
On Monday March 2, Qatar shut down liquefied natural gas production entirely after two drones struck key facilities. Qatar accounts for nearly 20% of global LNG exports — a suspension with immediate consequences for European energy security, which is currently operating with depleted gas stockpiles heading into spring.
A Saudi Aramco oil processing facility also suffered damage in the Iranian retaliatory strikes — echoing the dramatic September 2019 Abqaiq and Khurais drone attacks that briefly cut Saudi output by half. While the full extent of the current damage has not been officially confirmed by Riyadh, energy analysts at Rystad Energy have described it as a "significant" hit to Saudi processing capacity.
Beyond the direct infrastructure damage, a number of LNG complexes across the Gulf are closing preemptively — operators choosing to halt operations to protect facilities and staff rather than risk being caught in active hostilities. The psychological effect on markets has been compounded by the near-total halt of tanker traffic through the Strait of Hormuz, as six of the world's leading cargo shipping companies suspended or diverted vessels in the immediate aftermath of the conflict's opening.
"The lion's share of OPEC barrels in the region could essentially become stranded assets in an extended war scenario."
— Helima Croft, Head of Commodity Strategy, RBC Capital MarketsThe damage to Qatar's LNG infrastructure is of particular concern to Europe. With European natural gas stockpiles already depleted heading into spring 2026, any sustained reduction in Qatari LNG exports forces European buyers to compete aggressively on spot markets — pushing prices sharply higher across the continent. Goldman Sachs estimates that a disruption of natural gas transit lasting more than two months through the Strait could push European gas prices above 100 EUR per megawatt hour — more than three times the pre-conflict level of ~31.6 EUR/MWh.
Oil & Gas Prices: The Last Three Months
To fully appreciate the violence of this week's price moves, one must chart the trajectory of oil over the past three months. The story is one of a market already under pressure from geopolitical signals, then shocked into crisis by open warfare.
The pace of the move in American consumer fuel prices has been strikingly rapid. GasBuddy data shows national average gasoline rising from $2.94 per gallon just days before the conflict to $3.19 by March 4 — erasing more than a year of Trump administration progress on fuel prices. Diesel, a key input to consumer goods transportation, is projected to climb from $3.71 to potentially $4.25–$4.45 per gallon in short order.
Pre-conflict, forecasters at the EIA, Goldman Sachs, and JPMorgan had been projecting Brent would average between $56 and $67 per barrel for 2026, underpinned by expected oversupply. Those projections now appear entirely obsolete. Bank of America's commodity strategist Francisco Blanch has outlined scenarios where Brent surpasses $100 if Iran takes a hard line, rising to $120 per barrel if a prolonged Strait disruption forces Gulf producers to shut in production — and as high as $200 per barrel in the extreme scenario of a full mining and missile-enforced Strait closure.
The Bond Market Moved Him Once. Oil Could Do It Again.
To understand how $100 oil could force a negotiated end to the US–Iran conflict, you need to understand something about Donald Trump that became vividly clear during the tariff crisis of April 2025: he is not primarily moved by stock market crashes. He is moved by the bond market — and by the domestic cost of living.
The April 2025 tariff episode revealed Trump's political pain threshold with unusual clarity. As his sweeping tariffs took effect just after midnight, Trump was watching the bond market. The 10-year Treasury yield went on a seldom-witnessed tear starting April 5, surging over 60 basis points to 4.5% by the morning of April 9 — and Trump capitulated. The stock market crash? He absorbed it. The bond market revolt? He could not.
The reason is structural: Treasury bonds are the bedrock of the entire global financial system, and their yields directly affect the interest rates consumers pay on mortgages, car loans, and credit cards. When the bond market moves against a president, every American with a home loan or a car payment feels it. That is a political constituency that cannot be dismissed.
"The bond market was telling us, 'Hey, it's probably time to move.'"
— Kevin Hassett, Director, National Economic Council, April 9, 2025How $100 Oil Becomes Trump's Negotiating Limit
The war against Iran has a different but equally powerful set of domestic tripwires. Unlike tariffs — which hurt abstractly through financial markets — oil prices hit Americans at the most visceral, visible, and politically charged price point in the economy: the gas pump. And the arithmetic of $100 oil is brutal for any incumbent administration.
The domestic pressure calculus is compounded by timing. Trump arrives at this conflict having already spent considerable political capital on tariff volatility that rattled consumer confidence through late 2025. A second shock — this time at the gas station rather than the checkout counter — compounds inflation fears that the Federal Reserve has been fighting for two years. If oil sustains above $100, the Fed faces a stagflationary bind: raise rates to fight oil-driven inflation and risk a recession, or hold rates and let inflation embed. Either path is politically toxic.
There is also the bond market feedback loop to consider. Sustained $100+ oil is inflationary — and inflation is the enemy of low Treasury yields, the metric Trump has publicly fetishised. Morningstar senior economist Preston Caldwell estimates tariffs alone added 0.6 percentage points to inflation in 2025 and 1.3 points in 2026. Layer a full-blown oil price shock on top of that, and the 10-year Treasury yield — already elevated — risks a fresh spike that would resemble the April 2025 bond market revolt, only with a geopolitical rather than trade-war trigger. That is the scenario that could make negotiation not just politically desirable, but financially unavoidable.
The World's Most Critical Oil Chokepoint
No body of water on earth carries more geopolitical weight per square kilometre than the Strait of Hormuz. Located between the Omani coast and the Iranian shoreline, the strait is a narrow passage — at its tightest, just 33 kilometres wide — through which an extraordinary proportion of global energy trade must pass with no viable alternative.
The Strait functions as the exit valve for the Arabian Gulf's vast hydrocarbon wealth. Saudi Arabia, Iraq, Kuwait, the UAE, Qatar, and Bahrain all depend on the waterway to export their oil and gas to Asian, European, and global markets. Were the Strait to be fully and durably closed, these nations would have no scalable alternative export route — making even their own production economically stranded.
Iran has threatened closure of the Strait in virtually every major confrontation with Western powers over the past four decades, but has never followed through with a full blockade — partly because doing so would also cut off Iran's own limited oil exports, and partly because it would invite a fierce US military response to reopen it. This time, however, Iran has achieved something arguably more effective: without physically mining or blockading the Strait, it has created sufficient uncertainty that ship owners and insurers have voluntarily halted traffic.
Within days of the conflict's opening, at least six vessels had been hit in Gulf waters. Major cargo shipping companies — including six of the world's largest — suspended or rerouted ships scheduled to transit the Strait. Insurers have independently halted coverage for vessels making the passage, effectively achieving what Iran's military has not yet needed to enforce by force: an effective blockade.
The critical question hanging over global energy markets is duration. Analysts including Goldman Sachs and Nomura have stressed that the world entered this crisis with substantial oil inventories — China in particular has accumulated significant strategic and commercial reserves over the past year — meaning a short conflict of days or weeks is unlikely to cause a catastrophic supply crunch. But a conflict stretching beyond three weeks would exhaust Gulf nations' storage capacity, force production shutdowns, and potentially deliver a supply shock on a scale not seen since the 1970s.
"The trajectory of oil prices will ultimately depend on four variables: how much supply is disrupted, how long a disruption lasts, whether supply from other sources can be mobilised quickly, and what comes next."
— JPMorgan Chase Commodities Research, March 2, 2026President Trump has acknowledged the short-term energy cost of the conflict, saying the US may face "a little high oil prices for a little while" but expressing confidence prices will fall "lower than even before" once hostilities end. Whether markets — or geopolitics — will cooperate with that timeline remains the defining uncertainty of 2026.