Oil-driven inflation resurgence forces global bond selloff; yields at multi-year highs

Global bond markets entered a sharp correction today as elevated oil prices and mounting geopolitical tensions ignite fresh inflationThe rate at which prices rise across an economy. concerns, reversing months of rate-cut optimism. The Iran conflict is reshaping energy supply expectations, forcing forecasters to slash oil demand growth estimates and reigniting the specter of persistent price pressures that could pin interest rates higher for longer than markets had priced.

US Treasuries led the selloff, with benchmark yields climbing as investors fled risk assets and repriced Federal Reserve pause expectations. The British pound suffered its worst week since 2024, tumbling as UK gilt yields spiked on inflationThe rate at which prices rise across an economy. data and political uncertainty around potential challenges to PM Starmer. Japan's government bond yields hit multi-year highs, with producer prices jumping by the most since 2014 in April, reinforcing the Bank of Japan's case for rate hikes even as the global growth picture darkens. Bloomberg noted that a 5% Treasury yield would challenge US equity bulls and compress price-to-earnings multiples materially.

Emergent-market equities and currencies tumbled in tandem, with EM stocks posting their worst day in over a month. India raised fuel prices for the first time in four years as Modi's government grapples with rupee defense and widening fiscal pressures from higher energy costs. Malaysia, South Africa, and Romania all face stagflation headwinds: growth cooling while inflationThe rate at which prices rise across an economy. persists, forcing rate-hold decisions and curbing policy flexibility. Russia's springFalse breakdown below an accumulation range low, immediately reversed. The institutional liquidity grab before markup begins. planting delays compound supply-side risks for wheat and grains, adding to food-price volatility in developing economies.

The inflationThe rate at which prices rise across an economy. narrative directly clashes with AI-driven equity momentumThe empirical fact that winners keep winning over the medium term.. RBC's Lori Calvasina warned that equity valuations become vulnerable if Treasury yields push toward 5%, squeezing the multiple expansion that has driven Nasdaq and mega-cap outperformance. T. Rowe Price's Sébastien Page flagged inflation risk as the main threat to financial markets. However, some traders like Fidelity's Mike Riddell had already positioned for inflation persistence ahead of the war, suggesting a bifurcated market: those who bet on disinflation face mark-to-market losses, while those hedged with inflation-linked bonds are seeing tactical wins.