Iran War Drives Oil to $118, Eurozone Inflation Hits 2.5% and Dollar Slides

Why It Matters

The Iran war’s impact on oil markets is reshaping the global economic outlook. By pushing Brent above $118, the conflict has reignited inflationary pressures in the eurozone, threatening to erode real wages and consumer confidence at a time when the region is still recovering from the Ukraine war and high energy prices. A sustained rise in energy costs also undermines the credibility of central banks that have been trying to normalize policy after years of ultra‑low rates. Currency markets are equally vulnerable. A weaker dollar can boost export competitiveness for the United States but also raises the cost of imported oil for the rest of the world, feeding back into inflation. The interplay between energy supply disruptions, inflation, and monetary policy will dictate the pace of global growth in 2026 and beyond, making the Iran conflict the dominant macro‑economic risk factor of the quarter.

Key Takeaways

• Brent crude hit $118.35 per barrel in March, a 63% monthly gain – the biggest since 1988.
• Eurozone inflation rose to 2.5% in March, up from 1.9% in February, driven by a 4.9% jump in energy prices.
• U.S. dollar index fell 0.59% to 99.96, though on track for a 2.35% monthly gain, the best since July 2024.
• ECB President Christine Lagarde warned of possible rate hikes if inflation stays above target.
• JP Morgan’s Bruce Kasman warned a month‑long Hormuz closure could push oil toward $150 a barrel.

Pulse Analysis

The Iran war has re‑introduced a classic supply‑shock narrative into a post‑COVID, post‑Ukraine world where inflation was already a lingering concern. Historically, large oil price spikes – such as the 1973 oil embargo or the 1990 Gulf crisis – forced central banks into aggressive tightening, often precipitating recessions. This time, however, the U.S. enjoys a relative energy advantage as a net exporter, which cushions the dollar’s safe‑haven appeal but also creates a paradox: a weaker dollar makes imported oil cheaper for the United States while making it more expensive for Europe and Asia, deepening regional divergences in monetary policy.

For the eurozone, the inflation surge is not merely a statistical blip. With energy accounting for roughly 60% of European power prices, the region’s ongoing transition away from Russian gas leaves it exposed to any disruption in the Hormuz corridor. The ECB’s dilemma mirrors that of the early 2000s, when policymakers had to balance inflation control against the risk of stalling a fragile recovery. A premature rate hike could choke growth, but a delayed response risks anchoring higher inflation expectations, which would make future disinflation more costly.

In the longer view, the war underscores the fragility of global supply chains that remain heavily dependent on narrow maritime chokepoints. Investors are likely to price in higher risk premiums for energy‑intensive sectors, and corporations may accelerate diversification of supply sources, including a faster shift to renewables and alternative fuels. The next few weeks – especially any indication of a de‑escalation or a prolonged Hormuz closure – will set the tone for monetary policy, commodity markets and the broader trajectory of the 2026 global economy.