Photo: Norbert Nagel / Wikimedia Commons, CC BY-SA 4.0, cropped
Euro Zone Inflation Hit 3.8%, the Highest Since 2023. Why Markets Now See an 87% Chance of an ECB Hike in December
- Euro area annual inflation was 3.8% in September 2026, up from 3.2% in August. Eurostat confirmed the figure on October 16.
- Energy prices were up about 19% from a year earlier. Services rose 3.2%.
- Core inflation, excluding food and energy, edged up to 2.5% from 2.4%.
- The ECB has raised its deposit rate twice this year, to 2.50%, most recently in September.
- Traders expect a hold on October 29 and price an 87% chance of a hike in December.
What happened
Eurostat confirmed on Friday, October 16 that consumer prices across the 21 countries using the euro were 3.8% higher in September than a year earlier. That matched the flash estimate published on October 2 and was up from 3.2% in August. It is the fastest rate since 2023, and almost double the European Central Bank's 2% target.
Energy is the whole story, for now
| Component | Annual rate, Sept. 2026 |
|---|---|
| All items (headline HICP) | 3.8% |
| Energy | about 19% |
| Services | 3.2% |
| Food, alcohol and tobacco | 1.4% |
| Non-energy industrial goods | 1.1% |
| Core (excludes energy, food, alcohol, tobacco) | 2.5% |
Source: Eurostat flash and final estimates, October 2 and 16, 2026.
The war involving Iran and attacks on Gulf shipping have kept Brent crude above $100 a barrel. Europe imports most of its oil and much of its gas, so it feels energy shocks faster than the US.
Core inflation, which strips out energy and food, edged up to 2.5% from 2.4%. That's above target but not alarming. The question for the ECB is whether the energy shock starts to leak into wages and services prices. Our guide to core vs headline inflation explains why central banks look at both.
What markets expect from the ECB
The ECB has already raised its deposit rate twice this year, most recently in September, taking it to 2.50%. It next meets on October 29.
According to LSEG data cited by Reuters on October 20, traders expect the ECB to hold in October but price an 87% chance of a hike in December.
Why wait? Two reasons:
- Growth is weak. Higher energy bills act like a tax on households, and the protests in France show how strained budgets are (our France report).
- Energy shocks can fade. Raising rates won't produce more oil. If prices ease, the ECB may not need to do much more.
Rising prices plus slowing growth is the classic setup for stagflation, the hardest environment for a central bank.
How European stocks are holding up
Better than you might think. The STOXX 600 gained more than 2% in the week to October 16, its best week since June, helped by strong earnings from ASML, Ericsson and Schneider Electric. The UK's FTSE 100 rose more than 3% that week. Then France's unrest and a weak tech tone pulled the index back about 1.4% over Monday and Tuesday.
What it means for you
- Savers in euros: Deposit rates are rising but still trail 3.8% inflation. Short-term government bonds and money market funds usually reprice fastest.
- Borrowers: Variable-rate mortgages tied to Euribor are likely to rise again if the ECB hikes in December.
- Investors: Banks tend to benefit from higher rates. Property companies and highly indebted firms tend to suffer. See our explainer on how ECB rates affect your money.
What to watch next
- October 29: ECB decision and press conference.
- Late October and early November: flash third-quarter GDP and the flash estimate of October inflation.
- Oil prices: the single biggest swing factor for euro zone inflation.
Frequently asked questions
What is the euro zone inflation rate for September 2026?
Annual inflation in the euro area was 3.8% in September 2026, up from 3.2% in August, according to Eurostat's final estimate published October 16. It is the highest rate since 2023 and nearly double the ECB's 2% target.
Why is euro zone inflation rising?
Energy. Energy prices rose about 19% over the year as the war involving Iran disrupted oil and gas supplies through the Gulf. Core inflation, which excludes energy and food, was a much calmer 2.5%.
Will the ECB raise rates on October 29, 2026?
Markets expect the ECB to hold its deposit rate at 2.50% on October 29. Based on LSEG data cited by Reuters on October 20, traders price about an 87% chance of a hike at the December meeting.
What is the ECB deposit rate now?
The deposit facility rate is 2.50% after the ECB raised it in September 2026. The main refinancing rate is 2.65% and the marginal lending rate 2.90%.
How does ECB rate policy affect European stocks?
Higher rates raise borrowing costs and make bonds more competitive with shares, which tends to weigh on growth and property stocks. Banks often benefit from wider lending margins, although political stress, as in France this week, can offset that.
Primary sources
- Eurostat — Annual inflation up to 3.8% in the euro area (Oct. 16, 2026)
- Eurostat — Euro area annual inflation up to 3.8%, flash estimate (Oct. 2, 2026)
- ECB Data Portal — Inflation and consumer prices
- Reuters via Investing.com — European stocks extend slide as French protests dent risk appetite (Oct. 20, 2026)
- Reuters via Investing.com — European shares close out best week since June as earnings soften blow from tech selloff (Oct. 16, 2026)
Data & disclaimer: This article is for educational purposes only and is not financial or investment advice. Figures reflect data available as of Oct 20, 2026, and conditions change — always confirm current pricing, rates and rules with the provider before you act. Written by Elizabeta Dimoska. See our editorial standards and disclosure.
Comments