The European Central Bank (ECB) is widely expected to raise interest rates at its June 2026 meeting after eurozone inflation climbed to 3.2% in May, well above the central bank's 2% target. Core inflation, which excludes volatile energy and food prices, also rose to 2.5%, signaling broadening price pressures that complicate the ECB's policy path. According to Menno Middeldorp, head of Rabo Research, the ECB will likely deliver a rate hike in June and possibly another in September, but further steps in 2027 remain highly uncertain.
Eurozone Inflation Surge: Key Data
Euro area annual inflation rose to 3.2% in May 2026, up from 3.0% in April and matching market expectations, marking the highest level since September 2023. Energy costs surged 10.9% year-on-year, the steepest rise since February 2023, driven by supply constraints linked to the ongoing conflict in the Middle East. Services inflation accelerated to 3.5% (from 3.0% in April), while non-energy industrial goods rose 0.9%. Core inflation (excluding energy and food) climbed to 2.5% from 2.2% in April, indicating that price pressures are broadening beyond the energy sector.
Among major eurozone economies, inflation picked up in Spain (3.6%), the Netherlands (3.4%), Italy (3.3%), and France (2.8%), but slowed slightly in Germany (2.7% vs. 2.9% in April). The data reinforces the case for the ECB to proceed with tightening monetary policy at its upcoming June meeting.
ECB Policy Dilemma: Inflation vs. Growth
The Credibility Challenge
Menno Middeldorp of Rabo Research explains that the ECB faces a classic dilemma when dealing with a supply shock. 'If you have such a shock, you can never do it right,' he says. In theory, a central bank could leave rates unchanged if it maintains confidence that inflation will eventually subside. However, after the strong inflation wave of recent years fueled by the war in Ukraine, that confidence has eroded. 'They were a bit too late. They have a small credibility problem,' Middeldorp notes.
As a result, the ECB is expected to act decisively. 'They have to send at least a signal, so we think they will raise rates in June. We also expect them to do so in September, but then they will make the assessment: we don't want growth to be hit too hard, we don't want to do more than necessary,' he adds.
Rabo Research Forecast
Rabo Research expects a rate hike in June and likely a second step in September 2026. However, financial markets are pricing in further rate increases in 2027, a scenario that Middeldorp questions. 'We doubt that,' he says. The ECB's March 2026 staff projections forecast headline inflation averaging 2.6% in 2026, 2.0% in 2027, and 2.1% in 2028, with economic growth at 0.9% (2026), 1.3% (2027), and 1.4% (2028) — revised downward due to the conflict's impact on commodity markets and confidence. The ECB's credibility challenge remains a key factor in its decision-making.
Netherlands: Inflation Rises to 3.5%
In the Netherlands, inflation rose to 3.5% in May 2026, up from 2.8% in April, according to a flash estimate from Statistics Netherlands (CBS). Energy and motor fuel prices surged 9.9%, while services inflation accelerated to 4.7% from 3.6%. Food, beverages, and tobacco saw only a modest 0.4% increase, but Rabo Research expects food inflation to pick up significantly by the end of the year.
Middeldorp warns that Europe and the Netherlands are at the beginning of a new inflation wave. 'You first see energy prices go up — the price at the pump — but then it works through the entire economy. There's a kind of wave motion. We think food prices will be fine for now, but we really think that around Christmas you will be dealing with significantly higher food prices,' he states.
What to Expect from the ECB in 2026
The ECB's Governing Council, led by President Christine Lagarde, has emphasized a data-dependent, meeting-by-meeting approach. The bank must balance the need to combat inflation against the risk of stifling economic growth — a challenge compounded by the ongoing Middle East conflict, which drives energy prices higher and clouds the outlook.
Key factors to watch include:
- June 2026 meeting: A 25-basis-point rate hike is widely expected, bringing the deposit rate to a level that further restricts economic activity.
- September 2026 meeting: A second hike is possible, but the ECB will assess incoming data on growth, inflation, and financial conditions.
- 2027 outlook: Markets are pricing in further tightening, but Rabo Research and other analysts express doubt, citing the fragile economic recovery and the lagged effects of earlier rate increases.
The impact of Middle East conflict on energy prices will be a critical variable for the ECB's path forward.
FAQ: ECB Rate Hike and Eurozone Inflation
Why is the ECB raising rates in June 2026?
The ECB is raising rates because eurozone inflation rose to 3.2% in May 2026, well above the 2% target. Core inflation also increased to 2.5%, indicating that price pressures are broadening. The bank needs to maintain credibility in its inflation-fighting commitment.
How high will ECB rates go in 2026?
Rabo Research expects a rate hike in June and another in September 2026. Markets are pricing in further hikes in 2027, but analysts are divided on whether the ECB will follow through, given the fragile economic growth outlook.
What is core inflation and why does it matter?
Core inflation excludes volatile items like energy and food. It rose to 2.5% in May 2026, up from 2.2% in April. The ECB pays close attention to core inflation because it reflects underlying price trends and is less influenced by temporary shocks.
How does the Middle East conflict affect ECB policy?
The conflict has driven energy prices sharply higher — oil and gas costs surged 10.9% in May — feeding through to broader inflation. It also creates downside risks to economic growth, putting the ECB in a difficult position as it balances inflation control with growth support.
Will the ECB cut rates in 2027?
According to Rabo Research's Menno Middeldorp, further rate hikes in 2027 are uncertain. The ECB's own projections show inflation returning to 2% by 2027, which could allow for rate cuts if the economy weakens. However, much depends on the evolution of energy prices and the broader geopolitical situation.
Sources
- Rabo Research interview with Menno Middeldorp, as reported by BNR Nieuwsradio
- European Central Bank Economic Bulletin, Issues 2 and 3, 2026
- Statistics Netherlands (CBS) flash estimate, May 2026
- Reuters: 'Euro zone inflation rises again, reinforcing case for ECB hike' (June 2, 2026)
- Trading Economics: Euro Area Inflation Rate (May 2026)
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