SPECIAL ANALYSIS: From Battlefield to Breakdown. How the US–Israel War on Iran Triggered an Unprecedented Global Economic Crisis

By Dr. Nikolaos Stelgias

The US–Israel military campaign against Iran, launched on 28 February 2026 under Operation Epic Fury, was initially framed as a targeted strike against Tehran’s nuclear programme and military leadership. Ten days later, it has metastasised into something far larger: a full-blown systemic crisis threatening the foundations of the global economy. The assassination of Supreme Leader Ali Khamenei, Iran’s retaliatory missile barrages across the Gulf, and the effective closure of the Strait of Hormuz have combined to produce the most severe energy supply shock in half a century — one that is now cascading through oil markets, equity exchanges, currency systems, and central bank policy frameworks with devastating speed.

As of Monday 9 March, Brent crude has spiked near $120 per barrel, Asian stock markets are in freefall, and G7 finance ministers are scrambling to coordinate an emergency release of strategic petroleum reserves. The conflict’s transformation from a regional military operation into a global economic emergency is now complete.

The Strait of Hormuz: The World’s Broken Artery

The single most consequential development of this crisis is the effective closure of the Strait of Hormuz, the narrow waterway between Iran and Oman through which approximately 20 million barrels of oil per day — roughly one-fifth of global supply — typically transit. What Iran achieved was not a conventional naval blockade but something more economically devastating: an insurance-driven shutdown. Selective drone strikes on tankers, combined with IRGC radio warnings that the strait was “closed” and that any vessel attempting passage would be set “ablaze,” were sufficient to collapse the commercial shipping ecosystem. Insurers withdrew coverage, shipping companies suspended operations, and traffic dropped by roughly 92%.

“When analysts have looked at the things that could go wrong in global oil markets, this is about as wrong as things could go at any single point of failure.”  — Kevin Book, co-founder, Clearview Energy Partners (NPR)

The implications are staggering. As Kpler, the energy data firm, has documented, Iran did not need anti-ship missiles or underwater mines to paralyse global energy flows. It weaponised risk perception itself. The result, according to the International Crisis Group’s Ali Vaez, is that prices have not merely spiked but “gap[ped] violently upward on fear alone.” The shock, he warned, would “reverberate far beyond energy markets, tightening financial conditions, fuelling inflation, and pushing fragile economies closer to recession.”

The cascading effects are already visible. Qatar halted LNG production after Iranian drones struck its facilities at Ras Laffan and Mesaieed Industrial City — a move that alone sent European gas prices surging by 50%. Kuwait, OPEC’s fifth-largest producer, announced precautionary production cuts because tankers cannot safely transit the strait. Iraq’s southern oilfields — which produced 4.3 million barrels per day before the war — have seen output collapse by 70% to 1.3 million bpd as storage capacity fills up. The UAE and Saudi Arabia are also scaling back. JPMorgan estimates that Gulf production cuts could exceed 4 million barrels per day by mid-March if the strait remains closed.

Qatari Energy Minister Saad al-Kaabi issued a stark warning to the Financial Times: all regional producers could soon be forced to declare force majeure, with prices potentially reaching $150 per barrel. Bahrain has already declared force majeure after an Iranian attack set its refinery ablaze. The legal mechanism releases the country from contractual obligations — a signal of just how far the situation has deteriorated.

Oil Markets in Panic: The Largest Weekly Gain in Futures History

The market’s response has been historic. On Friday 7 March, US crude (WTI) logged its biggest weekly gain in the history of the futures contract dating back to 1983, rocketing 35.6% to close at $90.90 per barrel. Brent surged 28%, its largest weekly increase since April 2020. Then, on Sunday evening and into Monday’s trading session, prices exploded further: both benchmarks briefly touched approximately $119–$120 per barrel before retreating to around $102–$107 as reports emerged of a potential coordinated G7 release of emergency petroleum reserves and Saudi Arabia’s offer of crude through its Red Sea port of Yanbu.

This is the first time oil has crossed $100 per barrel since Russia’s 2022 invasion of Ukraine. Bloomberg reported that Monday’s Brent price action was on course for the biggest daily gain in dollar terms since futures began trading in 1988. Kpler’s lead crude analyst Homayoun Falakshahi warned that oil could reach $150 per barrel by the end of March if strait traffic does not resume.

“The market is shifting from pricing pure geopolitical risk to grappling with tangible operational disruption.”  — Natasha Kaneva, Head of Global Commodities Research, JPMorgan

The price surge is translating directly into consumer costs. According to AAA, the average US gasoline price has risen 16% in a single week to $3.45 per gallon, with GasBuddy’s Patrick De Haan estimating an 80% probability of prices reaching $4 per gallon within a month. Across Southeast Asia, long queues have formed outside filling stations. South Korean President Lee Jae Myung warned of strict penalties for fuel hoarding or price collusion.

Global Market Meltdown: Asia Leads the Rout

The oil shock has triggered a severe equity sell-off, with Asian markets bearing the heaviest losses due to the region’s overwhelming dependence on Gulf energy imports. The damage has been extraordinary:

South Korea’s KOSPI plunged 12.1% on 4 March — its worst single-day decline in history, surpassing even the 9/11 crash — and triggered circuit breakers for the first time in years. The tech-heavy KOSDAQ fell 14%. Samsung Electronics dropped 11.7%, SK Hynix lost 9.6%. On Monday 9 March, circuit breakers were triggered again as the KOSPI fell 8% in early trading. The index has lost over 16% since the war began. South Korea imports approximately 70% of its crude oil from the Middle East.

Japan’s Nikkei 225 tumbled 5.2% on Monday to 52,728, falling below the 53,000 mark for the first time since early February. SoftBank dropped 9.8%, while chip-related stocks Advantest and Lasertec fell over 11% and 8% respectively. Japan sources roughly 90% of its oil from the Middle East and faces acute vulnerability to a sustained Hormuz closure. The Nikkei is down approximately 10% since the conflict began.

In the United States, Dow Jones futures crashed 1,011 points (2.1%), while S&P 500 and Nasdaq futures fell approximately 2%. European markets also opened sharply lower, with the DAX in Frankfurt down 3% and the FTSE 100 in London falling 2%. The US dollar surged as a safe-haven asset, putting pressure on emerging market currencies. The South Korean won weakened past 1,500 per US dollar for the first time since the 2009 financial crisis.

“I think the Iran situation is getting out of hand, and I think that US President Donald Trump miscalculated enormously.”  — Francis Lun, CEO, Venturesmart Asia (Euronews)

Central Banks Trapped: The Impossible Dilemma

The oil shock has placed the world’s central banks in what Bloomberg Economics describes as an “impossible position”: caught between a supply-side inflationary shock that demands monetary tightening and a growth slowdown that calls for the opposite. This is, as ING economists noted, “the mother of all bad timings” — arriving precisely as the global economy was still digesting the inflationary consequences of Trump’s tariff escalation.

The Federal Reserve is now effectively frozen. Former Treasury Secretary Janet Yellen stated that the Iran situation “puts the Fed even more on hold, more reluctant to cut rates than they were before.” With US inflation already at 2.4% — above the Fed’s 2% target — and tariffs threatening to push it to 3%, a sustained oil price spike could make further rate cuts impossible. As market strategist Ed Yardeni put it: “The US economy and stock market are stuck between Iran and a hard place. So is the Fed.”

The European Central Bank faces what ING has called a “genuine dilemma.” Having been burned by its 2022 failure to respond swiftly to the post-Ukraine energy shock — when it dismissed rising inflation as “transitory” before being forced into record-pace rate hikes — the ECB is now likely to maintain a lower bar for policy action. Reuters reported that ECB policymakers are wary of repeating past mistakes. Natixis CIB analysis projects a potential 10bp rate hike by the ECB by end-2026.

Government bond yields have climbed sharply across Europe. Italian two-year bond yields jumped over 30 basis points to their highest level in a year, as Italy is particularly exposed to natural gas price rises. The combination of higher inflation, weakening growth, and fiscal constraints from energy subsidies is creating what Nomura describes as an agonising policy choice: “Which negative do you want to have: higher inflation or worse fiscal?”

“A supply shock coupled with an inflation shock that has the potential to slow economic growth is the worst situation for central banks.”  — Benoît Gérard, Interest Rates Strategist, Natixis CIB (IFR)

Washington’s Defiance: ‘A Very Small Price to Pay’

Despite the mounting economic turmoil, the US and Israeli leadership have shown no inclination toward de-escalation. President Trump, in a Truth Social post on Sunday, dismissed the oil price surge in characteristically blunt terms: “Short term oil prices, which will drop rapidly when the destruction of the Iran nuclear threat is over, is a very small price to pay for U.S.A., and World, Safety and Peace. ONLY FOOLS WOULD THINK DIFFERENTLY!” The statement came even as Trump had previously campaigned on lowering fuel costs and avoiding expensive foreign wars.

Secretary of State Marco Rubio reinforced the administration’s resolve, declaring that the military was “getting the job done” and that Iran’s navy was “being eviscerated.” Energy Secretary Chris Wright pledged to bring gasoline prices below $3 per gallon “before too long.” The administration announced a plan to provide government-backed political risk insurance for tankers through the US Development Finance Corporation and offered potential naval escorts through the Strait — echoing the 1980s “Tanker War” playbook. However, as of Monday, no ships had accepted such escorts, and traffic remained effectively frozen.

The appointment of Mojtaba Khamenei — the hardline son of the slain Supreme Leader — as Iran’s new Supreme Leader has further hardened positions on all sides. Trump described the choice as “unacceptable,” while Israeli officials have reportedly signalled that Mojtaba Khamenei could himself become a target. Iranian Foreign Minister Abbas Araghchi rejected ceasefire calls, telling NBC News that Iran must “continue fighting for the sake of our people.” The IRGC has threatened to target energy facilities across the region, warning that oil could reach $200 per barrel if the US and Israel “continue this game.”

Asia’s Acute Exposure: The Epicentre of Pain

While the crisis reverberates globally, its most devastating economic impact is concentrated in Asia. The region’s major economies are overwhelmingly dependent on Gulf oil and LNG that transits the Strait of Hormuz. Kpler data illustrates the scale of vulnerability: in 2024, 84% of crude oil and condensate passing through the strait was destined for Asian markets. China, India, Japan, and South Korea alone accounted for 69% of all crude flows through the waterway.

South Asian economies face the most acute disruption, particularly regarding LNG. Qatar and the UAE account for 99% of Pakistan’s LNG imports, 72% of Bangladesh’s, and 53% of India’s, according to Kpler. Pakistan and Bangladesh, with limited storage and procurement flexibility, are “especially vulnerable,” with disruption likely to trigger “fast power-sector demand destruction.” Bangladesh has already imposed fuel rationing limits to prevent hoarding. India faces a dual physical and financial shock, with more than half of its LNG imports Gulf-linked and much of it indexed to Brent prices.

China, the world’s largest crude importer, has some buffer — its LNG inventories stood at 7.6 million tons as of late February, and Beijing’s Foreign Ministry stated it would “take necessary measures to safeguard its own energy security.” However, even China would face intensifying price competition for Atlantic cargoes if the outage persists. Japan, which sources roughly 90% of its oil from the Middle East, has already seen its refiners request government releases of strategic stockpiles.

Assessment: A Systemic Crisis Without an Exit Ramp

What began as a military operation to neutralise Iran’s nuclear capabilities has become, within ten days, the most severe global energy disruption since the 1973 oil embargo — and arguably the most dangerous, given the simultaneous presence of inflationary pressures from trade wars, fragile post-pandemic supply chains, and central banks already constrained by elevated interest rates. The crisis is no longer merely a risk premium in energy pricing. It is a material, operational disruption to the flow of hydrocarbons upon which the global economy depends.

Several factors make the current trajectory especially alarming. First, the duration of the disruption is uncertain: Iran’s new leadership has rejected ceasefire overtures, the US has ruled out any resolution without “unconditional surrender,” and military operations are intensifying with strikes on Iranian oil infrastructure. Second, alternative supply routes are inadequate: Saudi Arabia’s East-West Pipeline and the UAE’s Fujairah pipeline can partially bypass Hormuz, but terminal infrastructure limits throughput to a fraction of normal volumes. Third, strategic petroleum reserves provide only a temporary buffer: a coordinated G7 release may calm markets momentarily, but cannot substitute for the sustained flow of 20 million barrels per day.

“We’re now facing what looks like the biggest energy crisis since the oil embargo in the 1970s.”  — Helima Croft, Global Head of Commodity Strategy, RBC Capital Markets (NPR)

The longer the Strait of Hormuz remains closed, the more structural the economic damage becomes. What is at stake is not merely higher fuel costs but a potential global recessionary spiral in which energy-driven inflation forces central banks to tighten policy into a slowing economy — the textbook conditions for stagflation. For import-dependent economies across Asia, South Asia, and parts of Europe, the threat is existential. For the architects of this war in Washington and Jerusalem, the economic blowback may yet prove to be the most formidable adversary of all.

Photo: Gemini

This analysis draws on reporting and data and information from: Al Jazeera, Associated Press, Axios, Bloomberg, CNBC, CNN, The Conversation, Euronews, Financial Times, Fortune, IFR/Reuters, ING, Janes, JPMorgan, Kpler, NBC News, Newsweek, Nomura, NPR, Natixis CIB, RBC Capital Markets, and official US, Iranian, and Gulf state statements as of 9 March 2026. Market data reflects real-time and intraday figures subject to ongoing volatility.