German government bond yields retreated Thursday after a sharp Wednesday spike, as traders reassessed the fallout from escalating U.S.-Iran hostilities. The Bund yield, which serves as the euro zone's risk-free benchmark, had jumped earlier in the week when missile exchanges raised the specter of a broader Gulf conflict that could choke crude supplies through the Strait of Hormuz.

Fixed-income desks in Frankfurt and London reported two-way flow: real-money accounts bought the dip in 10-year paper while hedge funds trimmed short positions that had profited from the yield surge. The move underscores how quickly rate markets reprice geopolitical risk premiums when energy chokepoints appear threatened.

Oil futures pared gains after the U.S. signaled it would not immediately retaliate, easing the supply shock narrative that had driven breakeven inflation rates higher. Still, swap markets keep a 25-basis-point premium priced into year-end ECB policy expectations compared with pre-flare-up levels, reflecting lingering uncertainty over whether Tehran or proxy forces will target tanker traffic.

For portfolio managers, the episode is a reminder that duration hedges tied solely to central-bank guidance remain vulnerable to exogenous supply shocks. Until the Middle East security architecture stabilizes, Bund volatility will likely trade at a premium to macro fundamentals.