By William Collins, consultant in stock markets – Eurasia Business News, October 1st, 2026. Article no 3189
Eurozone government-bond markets opened the fourth quarter under renewed stress, with borrowing costs rising across Germany, France and Italy and yield spreads reaching multi-year highs. Investors are demanding a growing premium to hold French and Italian debt as fiscal concerns, political uncertainty and the energy crisis increase expectations for further European Central Bank interest-rate hikes.
The 10-year French government bond yield, known as the OAT, approached the psychologically important 5% threshold on Thursday, while the gap between French and German yields widened above 130 basis points—the largest since the eurozone sovereign-debt crisis of 2012.
French and German Bond Yields Rise
At around 07:40 GMT, the yield on Germany’s 10-year Bund rose 5.9 basis points to 3.6386%. France’s comparable 10-year OAT gained 10.9 basis points to 4.9523%, after touching 4.9629%. The difference between the two rates moved above 130 basis points, meaning investors demanded more than 1.30 percentage points of additional annual return to lend to France rather than Germany for 10 years.
Germany’s Bund is widely treated as the eurozone’s benchmark low-risk government bond. When the OAT-Bund spread widens, it indicates that investors perceive France’s fiscal and political risks to be increasing relative to Germany’s.
| Bond-market indicator | October 1, 2026 level | Historical significance |
|---|---|---|
| German 10-year Bund yield | 3.6386% | Near the highest since June 2009 |
| French 10-year OAT yield | 4.9523% | 18-year high; close to 5% |
| French OAT–German Bund spread | Above 130 basis points | Widest since 2012 |
| Italy–Germany 10-year spread | 105.71 basis points | Widest since June 2025 |
| ECB deposit rate | 2.50% | Markets expect higher rates through 2027 |
The OAT-Bund spread had already broken above 100 basis points in September for the first time since 2012. Deutsche Bank reported that the premium widened from around 85 basis points at the beginning of September to more than 110 basis points by September 29.
The latest move signals that investors are demanding much higher compensation for holding French debt as the government prepares its 2027 budget and attempts to demonstrate that it can reduce its deficit and stabilize its debt ratio.
Italy Also Faces Higher Financing Costs
Italy’s 10-year spread over Germany widened to 105.71 basis points, its highest level since June 2025. Although Italy is traditionally viewed as one of the eurozone’s more indebted sovereign borrowers, France’s premium over Germany has recently widened even more sharply.
This shift matters because it illustrates how market perceptions can change. Italy has made progress in controlling its budget deficit in recent years, while France has faced rising debt projections, repeated political instability and uncertainty over the passage of budget reforms.
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The difference between French and Italian borrowing costs has become a central indicator of the market’s changing risk assessment. French 10-year yields have at times exceeded Italy’s, an unusual development for two major eurozone economies with very different historical debt profiles.
Debt, Energy and ECB Policy Drive Bond Selloff
The bond-market tensions are being driven by three overlapping factors: high public debt, rising energy costs and expectations that the ECB will keep policy tighter for longer.
France is projected to see public debt rise to 121.7% of GDP in 2027, while the government is attempting to reduce the deficit to 5% of GDP through a €54 billion fiscal-adjustment package. Investors are questioning whether the plan can be implemented in a politically fragmented parliament.
Oil prices eased modestly on Thursday as Gulf exports recovered and U.S. crude inventories increased unexpectedly. But the decline was insufficient to reverse bond-market pressure because investors remain concerned that high energy costs could sustain inflation.
Money markets now price the ECB deposit rate at about 2.81% by December, implying a quarter-point increase and a 24% probability of a second hike. Longer-term pricing suggests the deposit rate could rise to 3.42% by the end of 2027, compared with the current 2.50%.
The prospect of higher policy rates directly increases government borrowing costs and makes fiscal consolidation harder. It also affects households and businesses through more expensive mortgages, corporate loans and consumer credit.
France’s Budget Test
The timing is critical for Paris. The French government is presenting its 2027 draft budget with an expected €43 billion in new fiscal measures, rising to €54 billion once prior measures are included. The package includes spending restraint, measures affecting pensioners and high-income taxpayers, and changes to renewable-energy support schemes.
Markets will judge not only the size of the announced savings, but also whether the government can secure parliamentary approval. A budget defeat or prolonged political gridlock could further widen the OAT-Bund spread and increase France’s debt-servicing costs.
The French 10-year yield’s approach toward 5% shows the urgency. Each sustained rise in yields makes refinancing the state’s large debt stock more expensive and reduces room for public investment and social spending.
Why Yield Spreads Matter
Yield spreads are more than market statistics. They influence the real economy.
A wider French-German spread raises the French government’s financing costs, which can eventually feed into higher taxes, lower spending or both. Banks may also face higher funding costs, affecting loans to households and companies. The effect can slow growth, worsening the deficit outlook the government is trying to repair.
For the eurozone, the return of large cross-country yield differences also raises questions about financial fragmentation. The ECB has tools intended to prevent disorderly market conditions, but it would need to distinguish between unjustified speculation and a risk premium driven by real concerns about debt and policy credibility.
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The October 1 bond-market moves demonstrate that investors are increasingly focused on fiscal sustainability. For France and Italy, restoring confidence will require more than promises of future savings—it will require credible budgets, political stability and evidence that higher interest rates will not turn already high public debt into a self-reinforcing problem.
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© Copyright 2026 – Eurasia Business News. Article no. 3188
