Global bond selloff accelerates as 30Y yields hit 2007 highs; inflation fears grip markets

Bond investors are facing a rout with few exits as a synchronized global selloff sends government bond yields to levels not seen in years. The U.S. 30-year Treasury yield has climbed to 5.11%, the highest level since May 2025, while benchmark yields across Japan, Europe and other developed markets have surged on intensifying fears that the Iran war-driven spike in oil prices will force central banks to hold rates higher for longer. The move has upended the soft-landing narrative that had fueled the 10-week equity rally into mid-May.

The drivers are straightforward: crude prices remain elevated following tensions in the Middle East, raising expectations for persistent inflationThe rate at which prices rise across an economy. that central banks cannot easily dismiss. The Conference Board and major forecasters have already begun cutting oil-demand growth expectations, yet fuel costs show no sign of abating. Major geopolitical flashpoints including potential Iranian escalation, the Strait of Hormuz chokepoint (through which 20% of global oil flows), and uncertainty around energy supplies are keeping oil volatility elevated. Yields have risen everywhere from the UK gilt market (hit by political uncertainty around Labour leadership) to the yen in Japan, creating a synchronized tightening dynamic that was not priced in when central banks signaled pivot-ready messaging weeks ago.

The immediate impact is visible across equities: semiconductor and growth stocks (NVDA, AMD, TSLA) sold off sharply on Friday as investors rotated from high-multiple names into value and industrials. The Russell 2000 outperformed the Nasdaq by 200+ basis points as yields climbed. Bank stocks and energy producers have also faced headwinds. A 5% Treasury yield is flagged by RBC strategist Lori Calvasina as a critical threshold that would challenge equity bulls and compress price-to-earnings ratios across the board. Goldman's strategists and JPMorgan's team flagged that "bond vigilantes" are re-emerging, imposing a hard ceiling on central bank accommodation and forcing a reckoning on fiscal and monetary policy.

The debate centers on whether this is a structural rerating (inflationThe rate at which prices rise across an economy. is here to stay, rates stay high) or a near-term shock driven by headline oil moves that will soon fade. Inflation strategists at Fidelity International and SocGen's Albert Edwards argue that the inflation impulse is real and underestimated, while others contend that transitory energy shocks do not warrant a 50+ basis point move in 30-year yields. The incoming Fed Chair Kevin Warsh will face an immediate test on messaging: if he signals pivot-ready tones, markets will interpret it as dovish and risk a further bond repricing.