Global Bonds Jump as Ceasefire Sows Doubts Over Steep Rate Hikes

Global bonds surged Wednesday on news that the US and Iran had agreed to a ceasefire, pausing a war that roiled markets for weeks by delivering the worst oil shock in years.

European debt, at the heart of the selloff due to the region’s exposure to soaring energy prices, led the gains with some yields falling more than 25 basis points as traders slashed wagers on interest-rate hikes. As part of the two-week truce, Tehran agreed to reopen the Strait of Hormuz, a crucial transit route for oil and gas shipments. Crude prices plunged.

US Treasuries also rose as swaps put the chance of a Federal Reserve rate cut this year at almost 50%, up from near zero at the start of this week. The 10-year benchmark yield fell five basis points to 4.25%, the lowest since mid-March.

“You can take out more hikes from the European central banks,” Myles Bradshaw, head of global aggregate strategies at JPMorgan Asset Management, said on Bloomberg TV. “The inflation shock is relatively small and what’s uncertain is the growth shock,” he added, saying the economy was in a more vulnerable position than when Russia invaded Ukraine in 2022. “I think in that world, central banks will err on the side of caution.”

Markets had been pricing stable or falling rates in Europe before the war stoked concerns that inflation would accelerate globally. Since the US launched strikes against Iran on Feb. 28, yields in Europe soared to multi-year highs and gauges of market volatility posted a record surge. US Treasuries also sold off sharply, leading Treasuries to post their biggest monthly loss since October 2024 in March.

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Inflation expectations fell sharply Wednesday, spurring the bid in bonds. A proxy for euro area price growth over the next 10 years dropped to 2.1%, almost fully erasing the sharp jump since the start of the war. Swaps now imply around a 30% chance that the ECB will hike rates by a quarter-point later this month, down from 70% on Tuesday.