The Hormuz Shock

From Red Sea to Hormuz

The current crisis did not emerge overnight. It is the culmination of 29 months of escalating maritime disruption in the Middle East, beginning with Houthi attacks on Red Sea shipping in November 2023 and now extending to the world’s most critical energy chokepoint.

The Red Sea crisis alone was costly. Transit through the Bab el-Mandeb strait dropped 70% from December 2023 levels. Shipping companies rerouted via the Cape of Good Hope, adding 11,000 nautical miles and approximately US$1 million in fuel costs per voyage. Following the Hormuz closure, very large crude carrier (VLCC) freight rates from the Middle East to China surged to an all-time high of approximately US$423,736 per day — more than double the previous week. LNG freight rates rose over 40%, with Atlantic rates reaching US$61,500 per day and Pacific rates US$41,000. War-risk insurance premiums, previously around 0.25% of a vessel's value, surged twelve-fold to approximately 3%, with some insurers cancelling coverage altogether. Container freight rates between Shanghai and Rotterdam remained significantly above pre-crisis levels through October 2025. Effective global container shipping throughput declined by an estimated 9%.

The October 2025 Gaza ceasefire brought a temporary reprieve. Houthi attacks paused. Maritime insurers cautiously reduced war-risk premiums. Then, on 28 February 2026, Operation Epic Fury shattered the fragile calm. Within 72 hours, the Strait of Hormuz — through which 20.9 million barrels per day of crude oil and products flow — was effectively shut.

30% of Global Oil Supply at Risk

The Strait of Hormuz is not merely another maritime corridor. It is the single most consequential energy infrastructure on Earth. In the first half of 2025, 20.9 million barrels per day of crude oil and petroleum products transited the strait — representing more than one-quarter of total global seaborne oil trade and approximately 20% of global consumption.

The structural vulnerability is stark. Even if Saudi Arabia and the UAE fully utilise their bypass pipelines (with a combined nameplate capacity of approximately 6.5 million barrels per day but only an estimated 2.6 million barrels per day of unused spare capacity), the vast majority of Hormuz flows remain physically dependent on the strait. Over 90% of OPEC's unused production capacity lies in countries that rely on Hormuz for export, creating a structural bottleneck that spare capacity alone cannot resolve. Iraq, Kuwait, and Qatar have no alternative export routes whatsoever.

What makes this crisis historically unprecedented is the simultaneous disruption of two of the world’s three largest energy chokepoints. The Red Sea/Bab el-Mandeb corridor (8.6.5 million barrels per day) remains fragile despite the Houthi ceasefire, with the group threatening to resume attacks in response to the Iran strikes. Combined, nearly 30 million barrels per day — roughly 30% of global seaborne oil — transits through disrupted or constrained corridors. This has not happened since the 1973 Arab oil embargo.

Asia-Pacific Bears the Heaviest Burden

The geography of energy dependence means this crisis is not felt equally. Eighty-four per cent of all crude oil transiting Hormuz flows to Asian markets. Japan sources 75% of its oil imports through the strait and holds strategic petroleum reserves equivalent to 254 days of consumption — the largest buffer in Asia. South Korea, at 72% Hormuz dependency, maintains 117 days of government-held reserves plus over 200 days including private stocks. India, at 65%, is the most vulnerable major economy with only 25 days of crude inventories and minimal refined product stocks. China, the largest single recipient of Hormuz crude, has diversified via Russian pipeline imports and holds strategic reserves estimated at over 100 days, but a prolonged disruption would still squeeze its refining system and petrochemical sector. These are not marginal exposures — they are existential for industrial economies where strategic reserve adequacy varies by an order of magnitude.

European economies, while less directly dependent on Hormuz crude, face second-order transmission through global oil price benchmarks and LNG supply disruption. Qatar — the world’s largest LNG exporter — has no export route that bypasses the strait. One-fifth of global LNG trade flows through Hormuz. Following the Ras Laffan force majeure declaration on 4 March, the Japan–Korea Marker (JKM) spot LNG price spiked nearly 60% to US$25.40 per million BTU — the highest since 2023. European gas prices doubled from approximately €30/MWh to over €60/MWh within days, reflecting panic buying as buyers scrambled to replace Qatari cargoes. European gas markets, still recovering from the Russia supply shock of 2022, face renewed tightness if the disruption persists through the Northern Hemisphere summer demand season.

For the United States, direct oil import exposure is minimal (8% of imports via Hormuz). But the price impact is global. Brent crude is the benchmark for 80% of internationally traded oil. When Brent spikes, every economy pays — regardless of where its oil physically originates.

How Energy Shocks Transmit Into Prices

The pre-crisis macroeconomic consensus was benign. The IMF’s January 2026 update projected global headline inflation declining from 4.1% in 2025 to 3.8% in 2026. The World Bank forecast Brent crude at $60 per barrel — a five-year low. Central banks across the G7 and emerging markets were cutting rates. The deflation trade was on.

That consensus is now in serious jeopardy. Brent surged from $71 to $80 in the first week of the crisis — a 20% spike. If oil sustains at $95 per barrel (our Scenario 2: prolonged disruption), the inflation arithmetic changes dramatically. Every $10 per barrel increase in sustained oil prices adds approximately 0.3–0.4 percentage points to global headline inflation, with pass-through to food prices via transport and fertiliser costs arriving within 3–6 months. Goldman Sachs estimates that a temporary surge to US$100 per barrel could slow global growth by 0.4 percentage points and lift headline inflation by 0.7 percentage points. J.P. Morgan and Bernstein project that a supply-driven jump from US$70 to US$85 would add roughly 0.7 percentage points to inflation across emerging Asia and shave approximately 0.5 percentage points off economic growth.

The pre-crisis consensus of a $60 oil world is shattered. Central banks that have been cutting rates may need to pause or reverse — creating a dual shock of energy-driven inflation and tighter money.

What Happens Next

The range of outcomes from here is unusually wide. We model three scenarios, each with distinct implications for energy markets, inflation, and cross-border operations:

Our base case is Scenario 2 (probability: 45%). The Iranian regime, decapitated but not collapsed, will struggle to maintain the Hormuz blockade beyond 4–6 weeks without sustaining catastrophic military losses. However, the IRGC’s asymmetric capabilities — naval mines, anti-ship missiles, fast-attack boats — mean that full reopening will require sustained naval escort operations and a protracted period of elevated insurance premiums.

Five Implications for Global Business Leaders

1. Stress-test every supply chain for dual-chokepoint failure. The simultaneous disruption of Hormuz and Bab el-Mandeb is a scenario most supply chain risk models had not contemplated. Boards should demand immediate stress tests of maritime routing dependencies, identifying which product lines, raw materials, and revenue streams are exposed to a sustained 30% reduction in seaborne oil trade capacity.

2. Revisit energy cost assumptions in all 2026 budgets. Any budget built on a $60–70 oil assumption is now materially wrong. Finance teams should model at $85–100 as a baseline and $110–130 as a tail scenario. The cascading impact — through transport costs, petrochemicals, fertilisers, and electricity — will reach every sector within 3–6 months. The petrochemical transmission is already visible: Asian naphtha premiums tripled as Saudi and UAE shipments halted, polyethylene and polypropylene prices surged 20–30%, and Middle East base oil exports were suspended entirely.

3. Prepare for a rate-cut reversal. Central banks that entered 2026 on an easing trajectory may be forced to pause or reverse. Treasury teams should stress-test floating-rate debt exposure, reassess hedging strategies, and prepare for a potential return to 2023-era financing costs in the tail scenario.

4. Monitor sanctions escalation against Iran and its partners. The conflict will almost certainly trigger expanded sanctions against Iran, the IRGC, and affiliated entities across the Gulf. Compliance teams should immediately review counterparty exposure to Iranian-linked shipping, insurance, and commodity trading networks.

5. Accelerate energy diversification as a strategic priority. This crisis will catalyse a structural acceleration in energy transition investment, nuclear restarts, and LNG diversification. Companies positioned on the right side of this transition — in renewables, battery storage, nuclear services, and alternative fuels — will benefit from an accelerated policy tailwind. Those dependent on fossil fuel cost assumptions face permanent repricing risk.

Methodology & Sources