ECB Dovish Shift Drives European Bond Market Volatility

European government bond markets are seeing increased volatility, particularly at the short end of the curve. This shift is driven by a more dovish outlook on the European Central Bank (ECB), as the risk of second-round inflation impacts appears overestimated. Labor markets are less tight than in 2022, reducing concerns over wage-driven inflation. Additionally, weaker market sentiment, widening credit spreads, and a dimmer growth outlook support a more balanced ECB reaction function.

Longer-dated rates, however, continue to face upward pressure, influenced by global factors rather than euro-specific issues. A repricing of 10-year real rates worldwide, combined with persistent supply pressures, keeps the long-end elevated. This contributes to tighter financial conditions, making it unlikely for 10-year euro swap rates to decline significantly unless 10-year U.S. Treasury yields drop.

French government bonds have shown tentative signs of relief, with the 10-year OAT/Bund spread tightening by over 4 basis points to 134 basis points. This spread remains elevated, reflecting political risks ahead of next year's presidential elections. Marine Le Pen, the frontrunner, is expected to present her fiscal plans for 2027, which could stabilize spreads if credible measures are proposed. Without concrete details, the spread may remain in the 100-150 basis point range, especially with a potential ratings review from Moody's later this month.

Tuesday's economic calendar includes French industrial production data, German factory orders, and eurozone retail sales, which are expected to rise slightly. U.S. trade balance numbers for August will also be released. Central bank speakers from the Federal Reserve, ECB, and Bank of England will be closely watched, particularly as global 10-year rates test new highs. Primary market auctions include bonds from Austria, the UK, Germany, and the U.S.