ECB prepares for rate hike next week

Highlights

The ECB is expected to raise rates next week.
Euro-area inflation accelerated to 3.3% in August.
Nagel remains cautious about policy beyond September.

Markets assign a probability of more than 95% to an ECB rate increase at its September meeting, Bloomberg reported. Nagel indicated that those expectations broadly reflect the likely near-term response from policymakers, while maintaining the ECB preference for making subsequent decisions meeting by meeting.

Inflation strengthens the case for another hike

The expected move would follow the ECB quarter-point increase in June. Since then, inflation pressures have strengthened, complicating the central bank effort to return price growth sustainably to target.

Euro-area annual inflation accelerated to 3.3% in August from 2.9% in July, moving further above the ECB's 2% medium-term objective. Nagel indicated that current inflation remains too high and that the central bank's June projections assumed higher interest rates would be needed for price growth to return to target over the medium term.

Persistent inflation also raises the risk that initial price increases spread more broadly through wages and other parts of the economy. Such second-round effects could make inflation more difficult to reverse and increase pressure on policymakers to maintain restrictive monetary conditions.

Energy and bond markets cloud the outlook

The ECB faces a more complicated environment than inflation figures alone suggest. Oil and natural gas prices remain volatile as the Iran conflict affects energy markets, while the euro-area economy has proved more resilient than anticipated.

Global bond yields have also risen sharply as investors demand greater compensation for inflation and fiscal and geopolitical risks. Higher sovereign yields tighten financial conditions independently of central-bank decisions, increasing borrowing costs for governments, companies, and households.

That leaves policymakers balancing persistent inflation against the risk of excessive tightening. Nagel stopped short of signaling another move after September, reinforcing the importance of incoming economic and financial data.

September may be clearer than what follows

A September increase appears increasingly well telegraphed, but the subsequent path is less certain. Inflation at 3.3% gives policymakers a clear reason to maintain pressure on prices, while volatile energy markets could keep headline inflation elevated.

At the same time, rising global bond yields are already tightening financing conditions. The ECB therefore faces a shifting calculation: additional rate increases may be necessary if inflation remains persistent, but higher market borrowing costs could reduce how much further official rates need to rise.

The September decision may consequently be the straightforward part. Determining whether another increase is required afterward will depend on inflation, energy prices, wages, and the broader effect of rising yields on the euro-area economy.

We have previously highlighted that the U.S.-Iran escalation heightens tensions in the Strait of Hormuz.

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