US Dollar Index Climbs to 10-Month High Above 100 on Safe-Haven Demand

EcoPulse24 | New York

The US dollar index climbed past 100 on Monday, its highest level since May 2025, as escalating regional tensions and surging crude oil prices reinforced safe-haven demand for the greenback while simultaneously driving inflation expectations higher, according to Trading Economics.

Dollar Index Breaks Above 100

The dollar index, which measures the greenback against a basket of six major currencies, rose past the psychologically significant 100 threshold for the first time in approximately 10 months. The move came as investors sought the safety of the dollar amid a period of heightened geopolitical uncertainty, with oil prices remaining at elevated levels following ongoing disruptions to global shipping routes.

The strength of the dollar was underpinned by multiple factors: the perception of the United States as a net energy exporter which benefits from elevated crude prices; expectations that the Federal Reserve will maintain a relatively hawkish stance compared to other central banks; and broad risk aversion that tends to channel capital flows toward dollar-denominated assets in times of uncertainty.

Fed Policy and the Inflation Dilemma

Federal Reserve Chair Jerome Powell indicated that longer-term inflation expectations remain under control despite the energy price surge, suggesting the Fed intends to keep interest rates on hold in the near term while monitoring the situation. The Fed is broadly expected to keep rates unchanged at its next meeting as it weighs the competing pressures of elevated energy-driven inflation against a still-robust labor market.

Markets are closely watching whether the inflation pass-through from oil prices proves persistent or transitory. A sustained rise in energy costs feeding into broader consumer prices could eventually force the Fed's hand toward additional tightening, further supporting dollar demand. Private surveys have already indicated manufacturers are facing higher input costs that are beginning to affect production decisions across key sectors.

Impact on Major Currencies

The dollar's strength weighed on a range of major currencies. The euro fell approximately 0.4%, reflecting continued growth concerns across the eurozone as high energy costs squeeze manufacturers and households alike. The British pound slipped over 0.5% while the Swedish krona and South Korean won saw sharper declines of around 0.8% and 0.6% respectively.

The Japanese yen was an exception, gaining ground against the dollar as Japanese authorities signaled potential intervention to prevent excessive yen weakness, with the pair trading near the 134 level. Emerging market currencies faced particular pressure, with the South African rand hitting four-month lows and several Asian currencies weakening as energy-import costs rose sharply.

Broader Market Context

The dollar's rise occurred alongside a complex trading session for global financial markets. US Treasuries recovered some ground after recent selloffs, with yields pulling back from their peaks as growth concerns began to balance inflationary fears in investors' minds. The Dow Jones Industrial Average gained over 0.6%, with banks and financial services companies leading gains. Technology stocks underperformed as chip producers extended losses.

Oil markets maintained their upward trajectory with Brent crude hovering near multi-year highs, on course for what Trading Economics described as a record monthly surge of more than 50% in March 2026. WTI crude rose to around $101.7 per barrel. The combination of high energy prices, safe-haven demand, and relative US economic resilience suggests the dollar index may maintain elevated levels as long as geopolitical uncertainty persists in the region.

Implications for GCC and Emerging Markets

For Gulf Cooperation Council economies, a stronger dollar presents a mixed picture. On one hand, GCC currencies are pegged to the dollar, meaning their purchasing power against other currencies rises, benefiting import costs for goods priced in non-dollar currencies. On the other hand, higher oil revenues denominated in dollars translate directly into stronger sovereign balance sheets and fiscal surpluses. The net effect for GCC states is broadly supportive given their oil exporter status.

Emerging market economies with large external dollar-denominated debts face a more challenging environment, as their debt servicing costs rise in local currency terms and capital outflows become more likely as dollar returns improve relative to local assets.

EcoPulse24 Analysis

EcoPulse24 Analysis: The dollar's break above 100 reflects a confluence of factors that could sustain greenback strength in the near term: energy exporter advantage, Fed relative hawkishness, and broad risk aversion. The key risk to watch is whether the energy-driven inflation shock tips major economies toward stagflation, which could eventually undermine dollar strength by dampening US growth prospects. For GCC markets, the combination of dollar strength and high oil revenues provides a supportive backdrop for pegged currencies and sovereign balance sheets. The trajectory of the dollar index in April will depend heavily on any diplomatic developments affecting the regional situation and their resulting impact on energy markets.