Global Bond Selloff Accelerates as 30Y Yield Hits 2007 High, Inflation Fears Grip Markets

The bond market rout intensified sharply on Friday as investors shed government securities across the globe, sending real yields to multi-year highs. The 30-year US Treasury yield climbed to 5.11%, the highest since May 2025, signaling a fundamental repricing of inflationThe rate at which prices rise across an economy. and rate expectations. This move comes amid escalating Middle East tensions, spiking oil prices, and concerns that central banks will need to hold rates higher for longer, or even raise further, to contain price pressures. The Iran war has become the primary driver; oil supply disruptions are feeding through to broader inflation expectations, with energy importers facing acute margin pressure and consumers globally reporting affordability crunches heading into summer.

Wall Street's risk rally, which had been powered by AI enthusiasm and record equity valuations over the past six weeks, collided head-on with this fixed-income repricing. S&P 500 futures fell roughly 1% as bond vigilantes reasserted themselves. JPMorgan strategists noted that the bond market is delivering the tightening that the Fed might not, forcing investors to recalibrate their hedging strategies. Treasury futures are at risk of disruption as traders overhaul durationBond price sensitivity to interest rate changes. positioning en masse. The selloff has no geographic boundaries: gilts in the UK fell sharply, with the pound tracking its worst week since 2024; eurozone yields surged; and even Japanese and Australian bonds sold off as carryIncome earned from holding a position over time.-trade unwinds accelerated.

The implications ripple across all asset classes. RBC's Lori Calvasina flagged that US equities will face headwinds if Treasury yields breach 5%, a threshold that typically compresses price-to-earnings ratios. BofA strategists warned that the stock market is ripe for profit-taking in June given crowded positioning and rising inflationThe rate at which prices rise across an economy. risks. Industrial stocks, beloved by retail in recent weeks, are now seen as "a bit" overvalued at current valuations. Precious metals have begun losing momentumThe empirical fact that winners keep winning over the medium term. despite traditional inflation hedges; crypto and commodities are whipsaw-prone as risk appetite swings.

Sceptics argue that oil supply shocks are transitory and that the Fed's "higher for longer" stance is already priced in. Some analysts suggest that a 5% Treasury yield will ultimately prove unsustainable, inviting a bond rally. However, the scale and speed of this week's repricing, combined with the Bank of Korea's new board member flagging rising inflationThe rate at which prices rise across an economy. as a structural risk, suggests markets are awakening to a genuine regime shift: from a deflationary, rate-cut world to an inflationary, rate-hold or hike world.