The French Connection: Why EUR Sellers have taken Control

While broader global bond-market volatility and USD strength are also playing a role, France has become a major focal point for EUR sellers.

The epicentre of the move is the spread between French 10-year government bond yields, known as OATs, and German 10-year Bund yields.

That spread has widened sharply from around 87 basis points in early September to around 130-140bp at its recent extremes. It is one of the fastest repricings of French sovereign risk in years, with the spread reaching its widest level since 2012 and the European sovereign debt crisis.

For FX traders, this has become one of the most important European risk indicators to watch.

The question is whether bond investors eventually decide that yields offer sufficient compensation for the perceived fiscal and political risks, or whether the OAT-Bund spread pushes through 150bp and begins moving towards the extreme levels seen during the European debt crisis.

The concern centres on France’s budget position and the credibility of its fiscal consolidation plans.

France is targeting a budget deficit of 5% of GDP in 2027, while government debt is already around 119% of GDP. Against that backdrop, France faces an enormous refinancing requirement.

Agence France Trésor plans to issue a record €340bn of medium and long-term government bonds in 2027, net of buybacks. At the same time, the government's interest bill is rising sharply as older, cheaper debt matures and is refinanced at significantly higher yields.

That combination matters enormously for investors.

Higher borrowing costs increase the interest burden, which makes reducing the deficit harder, which can in turn force investors to demand an even greater risk premium to hold French debt.

That is the feedback loop markets are increasingly focused on.

Political fragmentation makes addressing the fiscal problem significantly more difficult.

France heads towards a presidential election in April 2027, while the government needs to convince investors that its proposed spending restraint and fiscal consolidation can actually be delivered.

The market isn't simply asking whether France can produce a budget. It is asking whether the measures contained within that budget are politically achievable and sufficient to stabilise the trajectory of public debt.

Political uncertainty is also appearing elsewhere in Europe. In Spain, the government's recent parliamentary defeat over housing measures has increased speculation around a possible early election, although no early election has been formally called.

For markets, the broader concern is whether political fragmentation makes meaningful fiscal consolidation increasingly difficult across some of Europe's largest economies.

France is the euro area's second-largest economy, so this cannot easily be treated as an isolated sovereign story.

As the perceived risk attached to French assets increases, international investors require greater compensation to hold them. Some capital may instead migrate towards markets offering either better risk-adjusted returns or perceived safe-haven characteristics.

The transmission mechanism is straightforward:

French fiscal concerns increase → OATs (bond) sell off → the OAT-Bund spread widens → European sovereign risk increases → demand for European assets weakens → the euro comes under pressure.

(Source: Bloomberg)

This is why the OAT-Bund spread has become such an important guide for EUR traders.

EUR/USD remains at the centre of our clients’ FX interest.

Having traded around 1.1700 in late August, the pair has fallen aggressively and printed a fresh 17-month low around 1.1161 today.

The important feature of the move is the lack of meaningful demand appearing on weakness. Buyers may be stepping in at various points, but so far, they have failed to generate sufficient momentum to challenge the dominant selling flow.

French fiscal concerns are not operating in isolation. Elevated US Treasury yields and continued demand for the USD have compounded the pressure on EUR/USD.

The combination of European sovereign risk and a strong USD has therefore proved particularly difficult for EUR bulls to fight.

EUR/CHF is another cross attracting considerable attention from macro and momentum-focused traders.

The Swiss franc remains one of the market’s traditional destinations during periods of European political and sovereign uncertainty.

EUR/CHF rallied sharply on Friday from lows of 0.9259 to close near 0.9342, but the subsequent reversal lower today has left traders who chased that move managing increasingly uncomfortable positions.

A break through Friday’s lows could therefore become an important technical event and potentially accelerate downside momentum.

The weakness isn't confined to EUR/USD.

EUR/JPY has also attracted selling interest, while EUR/CAD has broken below the lower end of the range that had contained price since May.

That broad-based weakness is important because it suggests traders are increasingly expressing a negative EUR view rather than simply trading USD strength.

When the same currency begins weakening across multiple crosses, the underlying move can become considerably more powerful.

The key question for traders is what ultimately causes a meaningful reversal in the OAT-Bund spread.

One possibility is simply valuation. At some point, investors may decide that French government bonds offer sufficient yield compensation for the risks and begin buying OATs.

The more powerful catalyst, however, would likely come from the political or fiscal side.

Markets want evidence that France has a credible path towards stabilising its debt trajectory and reducing the deficit. A convincing fiscal package, greater political support for consolidation or another development that improves confidence in France's debt outlook could quickly compress the risk premium.

Until that happens, traders are likely to remain highly sensitive to movements in French yields and the OAT-Bund spread.

For EUR traders, this is currently one of the clearest gauges of European sovereign risk.

If the spread continues to widen, the pressure on the euro could remain significant. If bond investors finally decide they are being adequately compensated and OATs find sustained demand, that could provide the catalyst for a more meaningful EUR reversal.

For now, though, sellers remain in control, and the French bond market remains firmly at the centre of the European macro story.