Norges Bank hikes rates to 4.50%: why the NOK strengthened and what changes for EUR/NOK

Norges Bank raised its policy rate today from 4.25% to 4.50%. The decision matters not only because borrowing costs increased, but because it followed a summer in which underlying inflation came in softer than the central bank expected. The Committee still chose to tighten because inflation remains too high and the medium-term forces keeping price pressure elevated have not changed enough.

The first FX reaction was consistent with a restrictive surprise. Reuters reported EUR/NOK near 10.76 shortly after the announcement, from around 10.79 immediately beforehand. A lower EUR/NOK means a stronger Norwegian krone against the euro. That few-minute move, however, is a reaction—not a forecast.

Key numbers from the decision

Why hike if core inflation surprised lower?

That is the central question. Norges Bank acknowledges that CPI-ATE, which excludes energy and tax changes, slowed more than expected. Yet headline CPI is 3.3%, business costs have risen sharply in recent years, and energy and commodity prices remain an external source of uncertainty. The Bank worries that inflation staying above target for too long can become more persistent in expectations and pricing behaviour.

The Committee also debated the opposite risk. Capacity utilisation appears slightly below normal and some members preferred to wait for more information to avoid restricting the economy more than necessary. After the discussion, all members supported the 4.50% increase.

This makes the decision more informative than a simple “+25 bps”: current core inflation improved, but the Bank is responding to persistence risk further ahead.

The rate path matters more than one hike

Norges Bank says the policy rate is likely to remain close to the current level for a period before declining gradually. The new path is higher for longer than the June projection. Inflation is expected to slow from next year and return to 2% in 2029.

That is not a promise of another hike. The Bank says it is prepared to tighten again if inflation proves more persistent, but the path could also be lower if disinflation accelerates or the labour market weakens.

For EUR/NOK, therefore, the driver is not just “4.50%”. What matters is how the Norwegian path surprises relative to what is already priced for the euro area. In our analysis of ECB inflation expectations and EUR/USD, we highlighted the same mechanism: currencies react to relative central-bank surprises, not to one rate level in isolation.

What can support or weaken the krone

Rate differential. If Norges Bank stays more restrictive than markets expect while the ECB delivers less tightening than priced, the differential can support NOK. If euro-area policy turns more hawkish or Norway slows more sharply, that advantage can narrow.

Imported inflation. Norges Bank notes that the krone has strengthened since summer and that, all else equal, a stronger currency reduces imported-goods inflation. That creates a feedback loop: a stronger NOK can help contain prices and eventually reduce the need for further tightening.

Energy and global risk. Norway is a major energy exporter, but it is too simplistic to turn every oil or gas rally into an automatic krone signal. Energy prices, risk appetite, global yields and FX flows can move differently.

What the EUR/NOK move does not prove

The move from roughly 10.79 to 10.76 after the announcement is an immediate reaction, not a target. The Reuters poll was also unusually split: 16 of 28 economists expected a hike to 4.50%, while 12 expected no change. Part of the decision was therefore already in prices.

The next useful test is whether NOK strength survives the initial response and whether incoming data validate the Bank's message: inflation is still persistent, but the economy can absorb an elevated policy rate.

The September 24 takeaway is precise: Norges Bank chose to respond to inflation persistence despite softer core data. For EUR/NOK, the more durable driver will be the relative rate path—not the krone's first move after the announcement.

Sources

• Norges Bank, “Policy rate raised to 4.50%”, September 24, 2026: https://www.norges-bank.no/en/news-events/news/Press-releases/2026/2026-09-24-rate/
• Norges Bank, September 2026 rate decision and Monetary Policy Report 3/2026: https://www.norges-bank.no/en/topics/monetary-policy/Monetary-policy-meetings/2026/september-2026/
• Reuters, September 24, 2026, “Norway central bank raises interest rate, may hike again”: https://www.investing.com/news/economy-news/norway-central-bank-raises-interest-rate-may-hike-again-4914582