Global Bond Selloff Accelerates; 30-Year US Yield at 2007 Highs Amid Oil-Driven Inflation

A synchronized global bond rout unfolded on May 15 as investors fled fixed-income across all major markets, sending yields to multi-year and multi-decade highs. The US 30-year yield approached 2007 peaks, the British pound suffered its worst week since 2024, and Japanese yields climbed to multi-year highs as oil prices and geopolitical uncertainty triggered a reassessment of inflationThe rate at which prices rise across an economy. expectations worldwide.

The proximate driver was the Iran war and its spillover effects on energy supplies and global risk premiums. Oil prices rallied sharply, with crude supply concerns rippling into inflationThe rate at which prices rise across an economy. expectations. Major forecasters slashed oil demand growth estimates, citing the sharpest hit since COVID. Central banks are now caught in a bind: raising rates to fight inflation would slow growth, but holding steady risks losing credibility on price stability. The Group of Seven scheduled an emergency discussion to coordinate messaging on the yield shock.

Equity markets recoiled; SPY fell 1%, QQQ dipped into red territory, and the Nasdaq faced its worst single session in weeks. Semiconductor stocks like NVDA and AMD slumped 2-3% as investors rotated away from higher-beta growth names into defensive trades. Credit investors, however, showed resilience: corporate bond spreads tightened as high-yielding credit attracted demand from those seeking income floors above sovereigns. JPMorgan's private credit trading ramped up, and Goldman Sachs began sounding out investors on risk transfer deals tied to private market loan portfolios.

RBC's Lori Calvasina warned that if benchmark Treasury yields breach 5%, US equity valuations face compression risk. SocGen's Albert Edwards sounded an inflationThe rate at which prices rise across an economy. alarm, predicting double-digit price pressures could resurface if oil remains elevated. Morgan Stanley flagged that $200 billion in hedging flows could anchor the euro if rate differentials widen further. The key debate centers on whether central banks can engineer a soft landing in a stagflationary environment; Allspring forecasted Fed cuts would resume only in late 2026 as the oil shock subsides.