Eurozone inflation jumps as Iran war energy shock spreads

Overview

Updated 1 hour ago

Inflation jumped faster than expected in September in Germany, France, Italy, and Spain, driven by the energy-price shock from the Iran war. Diesel prices sit at records across the eurozone, and all four of the bloc's biggest economies beat forecasts.

The readings pressure the European Central Bank, which raised its deposit rate to 2.50% on September 10 and decides again on October 29. Core inflation, which strips out food and energy, held at 2.4% for a third month. The open question is whether the energy shock spreads into wages and services; economists say headline inflation could peak near 4%, above the ECB's own 3.6% forecast.

Why it matters

If eurozone inflation sticks near 4%, the ECB's rate hikes slow the economy and keep borrowing costs higher for households and businesses into 2027.

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Key Indicators

3.6%

Expected September eurozone headline inflation

Up from 3.2% in August; Eurostat confirms October 2.

2.50%

ECB deposit rate after September 10 hike

Raised 25 basis points; next decision October 29.

2.4%

Eurozone core inflation

Unchanged for the third consecutive month, excluding food and energy.

~4%

Expected peak of headline inflation

Economists see Q4 peak above the ECB's 3.6% forecast, driven by energy.

<30%

Market-assigned probability of October ECB hike

Down from a 50-50 call earlier in the week, per MUFG.

Voices

Curated perspectives — historical figures and your fellow readers.

Ever wondered what historical figures would say about today's headlines?

People Involved

Christine Lagarde

President, European Central Bank

Deciding whether to hike again at October 29 meeting

Jack Allen-Reynolds

Chief eurozone economist, Capital Economics

Forecasts ECB holds in October, hikes in December

Rory Fennessy

Senior European economist, Oxford Economics

Warns core inflation could rise into early 2027

Organizations Involved

European Central Bank

Central bank

Raised deposit rate to 2.50% on September 10; next decision October 29

Sets monetary policy for the 20-country euro area, targeting 2% inflation.

Capital Economics

Macroeconomic research firm

Tracks ECB policy path; forecasts December hike

Independent research firm whose eurozone forecasts are widely followed.

Eurostat

Statistical office of the European Union

Publishing eurozone-wide September inflation on October 2

Publishes the official harmonized index of consumer prices for the eurozone.

Timeline

September 2026 October 2026

5 events Latest: Today

Tap a bar to jump to that date

October 2026
ECB Governing Council meets
Upcoming Policy decision

Next rate decision, one day after the US Federal Reserve. Markets price under 30% odds of a hike; Capital Economics expects a hold.
October 29th, 2026
Eurozone-wide inflation due
Today Data release

Eurostat expected to report September headline inflation at 3.6%, up from 3.2% in August, confirming the national data.
Today
September 2026
France, Germany, Italy inflation beat forecasts
Data release

France hit 3.4% (from 2.6%), Italy 4.1% (from 3.2%), Germany 3.3% (from 2.9%). Core inflation held at 2.4% for a third straight month. Energy inflation surprised on the upside in every country reported.
2 days ago
Spain inflation jumps to 5.0%
Data release

Spanish September inflation rose from 4.6% in August, the highest reading among the big four eurozone economies and above forecasts.
3 days ago
ECB raises deposit rate to 2.50%
Policy decision

Second hike of 2026, 25 basis points, citing inflationary pressure from the Middle East conflict and warning inflation would stay above target for an extended period.
September 10th, 2026

Scenarios

ECB delivers surprise October hike

Possible Resolves by Oct 30, 2026

Discussed by: Markets price under 30% odds; Capital Economics says a move would not be a big surprise if energy prices keep climbing

The ECB raises the deposit rate to 2.75% at the October 29 Governing Council meeting, a back-to-back hike. It happens if oil and diesel prices rise further through October, pushing headline inflation worries ahead of the stable 2.4% core reading. Lagarde has leaned dovish, so this path requires new data — a jump in energy prices or an upside core surprise — to overcome her caution.

ECB holds in October, hikes in December

Likely Resolves by End of 2026

Discussed by: Capital Economics baseline forecast; MUFG analysts; consensus market pricing

The ECB waits through October to see whether the energy shock produces second-round effects, then raises at its December meeting alongside fresh staff projections. Lagarde's September 28 comments — that rising long-term yields will slow growth and reduce energy pass-through — support patience. Allen-Reynolds at Capital Economics forecasts exactly this path.

Energy shock fades, ECB holds through year-end

Unlikely Resolves by End of 2026

Discussed by: Lagarde's dovish tilt; MUFG's weakened conviction on tightening pace

Oil prices correct as Middle East tensions ease, and headline inflation falls back below 3% without another hike. Fennessy at Oxford Economics calls a correction unlikely, given winter approaches and no resolution is in sight. But Lagarde's measured stance and the stable 2.4% core inflation keep the path possible if de-escalation comes.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

October 1973 - March 1974

1973-74 oil embargo

Arab oil-exporting countries embargoed the United States and allies over the Yom Kippur War, and oil prices roughly quadrupled to about $12 a barrel. Major central banks initially accommodated the supply shock rather than fight it.

Then

Inflation surged into double digits in the US and parts of Europe in 1974-75, followed by recession — the stagflation of the mid-1970s.

Now

The episode established that accommodating energy supply shocks lets inflation embed in wages and expectations, a lesson central banks cite decades later.

Why this matters now

Today's Iran war energy shock tests whether the ECB repeats the 1970s mistake or moves fast enough to keep inflation from embedding.

2022-2023

2022-23 European energy crisis

Russia's invasion of Ukraine sent European gas and power prices to records, and eurozone inflation peaked at 10.6% in October 2022. The ECB hiked its deposit rate from -0.5% to 4.00% over 2022-2023.

Then

Aggressive tightening brought inflation near target by late 2023, but slowed growth and raised borrowing costs sharply across the bloc.

Now

Established the ECB's playbook for energy-driven shocks: front-load hikes to stop second-round effects. It left the deposit rate at 4% for over a year.

Why this matters now

This is the direct template for the current episode — a smaller, diesel-led rerun where core inflation has so far stayed near 2.4%.