Economy April 26, 2026 08:43 AM

Rising Energy Costs from Iran Conflict Push Inflation Upward, But Central Banks Likely to Hold Back

UBS analysis sees supply-driven oil shock lifting headline inflation while policymakers remain reluctant to tighten aggressively

By Maya Rios
Rising Energy Costs from Iran Conflict Push Inflation Upward, But Central Banks Likely to Hold Back

UBS Investment Research says higher energy prices linked to the Iran conflict are driving headline inflation higher, but the shock is supply-driven and central banks in the US and Europe are unlikely to respond with significant rate hikes. Policy makers are more likely to look through the short-lived impact on core inflation, while investors adjust portfolios toward specific fixed income and commodity hedges.

Key Points

  • Energy price increases from the Iran conflict are a supply-driven shock raising headline inflation while imparting limited, short-lived pressure on core inflation - impacting energy and consumer price-sensitive sectors.
  • UBS expects the Federal Reserve to delay its first rate cut to September from June, with a total of 50 basis points of reductions projected through 2026; the ECB is expected to hold rates at its April meeting - affecting banks, fixed income markets, and interest-rate sensitive sectors.
  • Markets should consider tactical hedges: short-duration, high-quality bonds have improved appeal amid higher benchmark yields, and upside exposure to the U.S. dollar, oil and broad commodities is recommended as near-term protection; gold is seen as medium-term value.

Rising energy prices tied to the conflict involving Iran are lifting headline inflation, but central banks on both sides of the Atlantic are unlikely to mount forceful monetary responses, according to UBS Investment Research.

UBS Chief Investment Officer Claudia Panseri characterizes the situation as "a classic energy supply shock," meaning that constrained supply, rather than a pickup in demand, is the primary driver of higher energy prices. That distinction matters for policy makers because supply shocks often exert temporary pressure on headline measures of inflation.

The Dallas Federal Reserve's internal work supports that view. Its analysis shows that the incremental price pressure from rising energy costs tends to dissipate within months, with core inflation - the measure central banks watch more closely - showing little change in the wake of energy price spikes.

On the timing of policy moves, UBS expects the Federal Reserve to push back its first rate cut to September from an earlier expectation of June, while still projecting a cumulative 50 basis points of reductions across 2026. Federal Reserve Chair Jerome Powell has recently emphasized that monetary tightening is "typically not the right response to supply shocks," and that such episodes should be looked through unless inflation expectations become unanchored.

In Europe, market pricing currently implies two European Central Bank rate hikes by year-end. UBS disputes that outlook. The ECB's March scenario analysis did indicate the Iran-related shock would hit inflation more than growth - a finding that could, in principle, point toward tighter policy for a bank with an explicit inflation mandate. UBS argues the present economic backdrop is meaningfully different from 2022, when inflation approached 6% and interest rates were at historically low levels. Today, the labour market has cooled and monetary policy has only recently moved back to a neutral stance, which supports the expectation that the ECB will keep rates on hold at its April meeting.

"We think markets have priced in too much tightening from top central banks in recent weeks," Panseri added, reflecting UBS's view that policymakers will be cautious about responding to a supply-driven price surge with aggressive rate moves.

The increase in benchmark government bond yields across the US dollar, euro and pound has altered fixed income dynamics. In the near term, short-duration, high-quality bonds have become more attractive. UBS notes that if growth concerns deepen and financial conditions tighten further, longer-duration, high-quality bonds could be relatively well positioned.

At the same time, the traditional negative correlation between equities and bonds, which underpins diversification benefits, is beginning to converge, eroding some of those advantages for multi-asset portfolios.

To manage the current uncertainties, UBS recommends tactical hedges including upside exposure to the U.S. dollar, oil and broad commodities, while viewing gold as a medium-term value play. The research house suggests incremental portfolio adjustments rather than abrupt shifts, and advises reallocating away from equity markets seen as most at risk toward structural-growth and defensive positions.

On the diplomatic front, the U.S. and Iran remain deeply divided over Iran's nuclear program, war reparations and control of the Strait of Hormuz. UBS's baseline assumption is that both parties retain incentives to seek a diplomatic resolution. An early end to the conflict would likely be interpreted as a short-term bullish signal for markets, even though longer-term questions about the security of the Strait and Iran's nuclear stockpiles would remain unresolved.


Summary

UBS describes the Iran-related jump in energy prices as a supply shock that raises headline inflation but is likely to have only temporary effects on core inflation. The firm expects central banks to be cautious: the Fed may delay rate cuts until September and the ECB is expected to hold rates in April, contrary to market pricing for further hikes. Investors are advised to make measured portfolio adjustments, with greater emphasis on certain bonds and commodities as hedges.

Risks

  • If the conflict persists or escalates, energy-driven headline inflation could remain elevated for longer than current models and UBS’s base case assume, posing downside risks to growth-sensitive equity markets and commodity-exposed sectors.
  • Market expectations priced for additional central bank tightening could reverse abruptly if policymakers act differently than implied by prices, creating volatility in interest-rate-sensitive instruments such as long-duration bonds and bank equities.
  • Erosion of traditional equity-bond diversification could leave multi-asset portfolios more exposed to correlated downturns, increasing portfolio risk for investors relying on conventional diversification strategies.

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