The tail risk of a potential direct U.S. military action in the deteriorating conflict between Israel and Iran is rattling global financial markets.
In just days, investors observed a stark bifurcation in the market: global stocks slip, while oil soars as traders and analysts worry about disrupted supply and greater geopolitical uncertainty.
This situation illustrates how quickly market sentiment can turn on geopolitical reasons – with big ramifications for economies, central banks, and everyday consumers.
Market Turmoil Amid Escalating Conflict
After Israel struck at selected Iranian nuclear and energy infrastructure last Friday, oil is up almost 9% to the extent that Brent Crude, the international benchmark, almost exceeded $77/barrel. The immediate trigger is the risk of a broader conflict, specifically that the United States, which has already re-established carrier task forces into the eastern Mediterranean, would join Israel in the offensive against Iran.
On Tuesday alone, Brent and West Texas Intermediate (WTI) crude oil prices surged more than 4% as traders already priced in the increased threat of supply disruptions in the world’s most important oil-producing region.
In other words, global stocks have struggled to gain momentum. Asia, main stock indices, such as Japan’s Nikkei, Taiwan’s TAIEX, and Hong Kong’s Hang Seng moved lower as investors sought the comfort of gold and the Japanese yen. U.S. markets may also be under strain, given the S&P 500 and Nasdaq Composite have also moved lower due to geopolitics.
Analysts indicate that a direct U.S. strike against Iran could create a “knee-jerk” selloff in equities as investors anticipate the economic fallout in the event of a protracted conflict.
The Oil Market’s Central Role
The oil market is core to this chaos. The Middle East produces and exports a significant portion of the world’s oil supply, and any disruption to supply chains or infrastructure could have disproportionate ripple effects.
Barclays has warned that crude prices could rise to $85 per barrel if Iranian exports shrunk by half and could be $100 in an expanded conflict worst-case scenario. Citigroup economists have warned that the sudden rise in oil prices would act as a negative supply shock.
The global economy would have lower growth and higher inflation compounding difficulties for central banks who are already concerned with tariff-driven risks.
Central Banks on Inflation
Central banks are now faced with a balancing act, particularly the U.S. Federal Reserve. Higher oil prices risk reigniting inflationary pressures could leave the Fed and other central banks keep interest rates higher for longer than they want. A long-lasting conflict risks limiting economic growth, therefore putting pressure on rate cuts.
This dynamic was exhibited in recent Fed communications with policymakers assessing that while there is still an expectation of rate cuts this year, the cuts could be at a slower pace than previously thought due to persistent inflation risks.
Investor Psychology and Safe-Haven Flows
When facing geopolitical turmoil, investors tend to sidestep riskier assets in favor of safe-havens. We have seen gold rise in price and the U.S. dollar increase in strength against nearly every other currency as global investors escape market risk.
As demand for U.S. government bonds increased, we have seen lower U.S. Treasury yields due to increased demand for bonds, reflecting increasing levels of risk aversion. We have seen defense stocks outperform, mostly based on the expectation of increased military funding.
The Human and Economic Toll
While most commentary is centered on the markets, the human cost of war is untold — for both the victims of the violence, and for the economies facing the effects of higher energy prices and disrupted trade.
The World Bank has already lowered its global growth forecast for 2025 due to increased tariffs and increased uncertainty as “significant headwinds” for most all economies.
What next?
As President Donald Trump ponders potential U.S. military action against Iran, equity markets remain on edge. Analysts indicate that if tensions and escalation de-escalate, stocks could rally, and oil prices could stabilize.
Further increases in tensions will likely put greater pressure on the markets. The current situation causes traders to be cautious, and banks are likely to take a “wait and see” approach, fully aware that the next headline coming from the Middle East can change markets in a split second.
In conclusion, the current situation where global stocks are lower, while oil surges, demonstrates the sensitivity of financial markets to geopolitical risk. Overall, the interplay between energy prices, central bank policy, and investor sentiment will continue to influence the outlook on the economy in the weeks and months ahead.