The Impact of War on Stock Markets and National Economies - Updated March 2026, Part 2

If you haven't read yesterday's blog post, please read it before continuing here.

Ongoing Conflict: Ukraine

The war in Ukraine, now entering its fourth year, continues to shape global commodity markets and European energy policy. Ukraine remains one of the world's largest grain exporters, and ongoing disruptions to agricultural supply chains have contributed to food price inflation across parts of Asia and Africa.

European economies have largely adjusted their energy dependencies away from Russia, though at significant cost. Defense budgets across NATO have risen sharply, benefitting European and US defense contractors. The longer-term reconstruction costs for Ukraine are estimated to run into the hundreds of billions of dollars, representing a massive future demand signal for construction and engineering sectors.

The 2026 US-Israel Strikes on Iran: A New Flashpoint

On February 28, 2026, US and Israeli forces launched coordinated strikes on Iran - codenamed Operation Epic Fury - targeting military facilities, key command structures, and regime leadership. The operation resulted in the death of Supreme Leader Ali Khamenei and several senior IRGC commanders. Iran responded with missile strikes on US military bases across the Gulf region, and moved to restrict traffic through the Strait of Hormuz.

The economic stakes are significant. The Strait of Hormuz is the world's single most important oil chokepoint, with over a third of global seaborne crude oil and approximately 20% of liquefied natural gas exports pass through it daily. A sustained closure would be, in the words of one energy analyst, "a guaranteed global recession." Oil prices have already spiked following the strikes, with markets pricing in the possibility of further escalation.

Iran's economy was already deeply fragile before the strikes. Years of US sanctions drove widespread poverty and currency collapse, and mass anti-government protests that erupted in late 2025 - the largest since the 1979 revolution - reflected deep public frustration with economic mismanagement. Several of Iran's largest banks were on the verge of collapse even before the conflict began. The strikes may accelerate an economic implosion that was already underway.

For the United States, the conflict arrives at a delicate moment. Inflation, while down from its 2022 peak, has been stuck above the Federal Reserve's 2% target for over a year. Job growth in 2025 was its weakest in over two decades outside of a recession. Rising oil prices from the Iran conflict could feed through to higher gasoline, airfare, and grocery prices - exactly the cost-of-living pressures Americans are most sensitive to. If the conflict drags on for months, business confidence could also take a hit, suppressing investment and hiring.

The short-term outlook for markets depends heavily on the conflict's duration. A swift resolution lasting two to three weeks would likely see energy prices normalize and broader market volatility subside. A prolonged war pushing oil above $100 per barrel for an extended period presents a far more serious threat to global growth, particularly for energy-dependent Asian economies such as China, India, Japan, and South Korea, which collectively receive the majority of Gulf oil exports.

Conclusion

The relationship between war and economic activity has never been simple, and today's overlapping conflicts make it even more complex. Ukraine grinds on, reshaping European energy and defense. The Middle East remains volatile. And now a direct military confrontation between the United States and Iran has introduced a new and potentially severe shock to global oil markets and investor confidence.

History shows that while certain sectors can benefit from wartime spending, the overall economic impact depends on scale, duration, and the conditions of the broader economy at the time of the conflict. In 2026, those conditions (elevated inflation, stretched government balance sheets, and fragile consumer sentiment) leave less room for error than at almost any previous flashpoint in recent memory.

As always, the true cost of war extends far beyond the financial. But for investors, businesses, and policymakers, the immediate task is navigating a world in which geopolitical risk has moved from background noise to front-page reality.

This article is for informational purposes only and does not constitute financial or investment advice.