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Bunds’ hedging role for euro swaps still in question

Dealers seek ultimate hedge for euro swaps amid EGB rush following Trump tariffs

Euro notes in a lifebuoy in the water

Towards the end of last year, the question on many European rates traders’ lips was: what is the most effective hedge for euro interest rate swaps?

Previously, the answer to the question was the German government bond and its related futures contract. That assumption, however, was challenged after the fixed leg of 10-year euro interest rate swaps started trading below the nominal yield on the German bund for the first time in history in November 2024.

The question was raised again after the leader of the incoming German government announced plans to bypass the country’s strict debt ceiling rules to raise funding for defence and infrastructure spending, with yields on 10-year German bunds rising to 2.79% on March 4 and the euro swap spread being pushed further into negative territory.

Several months on, the answer is still unclear.

For some dealers, it has meant a rethink of the construction of their models, which are based on German government bonds being the risk-free reference rate. Some have considered whether a basket of European government bonds (EGBs) might be the answer – some bunds, mixed with some French or Italian debt. Others are looking at a potential move to the European Commission’s bonds.

The uncertainty was alleviated somewhat after US president Trump’s tariff announcement resulted in investors moving out of US Treasuries into EGBs, with 10-year bunds falling 45 basis points to 2.44% between March 11 and April 30, pushing the euro swap spread 12bp back into positive territory to -1.4 bp in the same time period.

One head of euro rates trading at a European bank partly attributes the move to a realisation in Europe, while the tariffs were being announced, that the proposed German defence and infrastructure spending plan wasn’t going to happen overnight but would instead take years to implement.

Despite the move into EGBs, the rates head says the concerns about the safe haven status of German government bonds didn’t go away.

“I don’t think a lot changed, it’s just that narrative faded away because there’s a much more dominant narrative at the moment, and this is the US tariffs,” says the rates head.

With the moves in bund yields this year, the head of fixed income at a Dutch pension fund manager says they believe the euro swap curve is increasingly being perceived as the real risk-free rate in Europe.

At the same time, physically deliverable EU bond futures are getting closer to fruition.

In April, Eurex announced it would launch a physically deliverable EU bond future in September – a proposal that has been on the cards for several years but failed to gain traction due to questions over the maturity of the EU bond market, and uncertainty over future issuance.

Dealers in November said they were beginning to use EU bonds over euro swaps as proxy hedges for EGBs, with the correlations between EGBs and EU bonds strengthening due to an increase in secondary market liquidity for EU bonds as well as ongoing quantitative tightening by the European Central Bank.

For some, though, the German government bond’s hedging role for European swaps is secured because, as Wouter Sybrandy, a rates trader at Dutch pension fund manager PGGM puts it, right now “there’s a lack of a better alternative”.

Editing by Lukas Becker

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