Euro yields cling to multi-week peaks after U.S.-Iran escalation sparks inflation

Investing.com - Eurozone government bond yields held near their highest levels in a month on Thursday, as a dramatic escalation of geopolitical tensions in the Middle East abruptly derailed a summer debt rally built on expectations of a neutral European Central Bank (ECB).

Germany 2-Year, which is highly sensitive to shifts in monetary policy expectations, hovered at 2.66% on Thursday, clinging to the nearly one-month high touched during Wednesday’s furious global selloff.

Further out the curve, the 10-year Bund yield - the benchmark for eurozone borrowing costs - remained firmly anchored near 3.06%. That marks its highest level since late May, cementing a sharp two-day reversal that has wiped out weeks of steady fixed-income gains.

The abrupt surge in yields - which move inversely to bond prices - shattered a period of relative tranquility for European fixed-income markets.

Just days earlier, sovereign debt had been rallying strongly on the back of neutral, balanced commentary from ECB policymakers, who had successfully convinced traders that euro-area inflation was cooling sustainably within a narrow, predictable channel.

That comfortable narrative collapsed overnight when U.S. President Donald Trump declared the hard-won interim peace agreement with Iran "over," followed by back-to-back U.S. air strikes aimed at maintaining control of the critical Strait of Hormuz shipping lane.

The oil shock

Compounding the geopolitical anxiety is a sharp, concurrent surge in global crude prices, which is acting as a direct transmission mechanism into higher bond yields.

With the threat of supply disruptions through the Strait of Hormuz - the transit route for roughly a fifth of global oil consumption - crude prices spiked vertically, forcing fixed-income investors to rapidly price in a wave of cost-push inflation.

Because energy prices are a primary input for European manufacturing and transport, a sustained oil shock threatens to bleed into broader core metrics, eroding the purchasing power of fixed payments and triggering a sharp selloff across both short- and long-term maturities.

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