Global bond yields surge on fiscal and inflation worries
Analysis based on 23 articles · First reported Aug 18, 2026 · Last updated Aug 23, 2026
The surge in long-term yields raises borrowing costs for governments, corporations, and households, potentially slowing economic growth and pressuring equity valuations. Higher yields also increase the attractiveness of bonds relative to stocks, leading to a rotation out of equities, particularly in rate-sensitive technology and AI-related sectors.
Long-term government bond yields in the US, Japan, Germany, France, and the UK hit multi-year or multi-decade highs on August 18, 2026, driven by ballooning government debt, persistent inflation, and geopolitical tensions. US total public debt crossed $40 trillion, and the fiscal deficit widened, with the monthly deficit reaching $432 billion in July. Treasury auctions for 10-year and 30-year notes saw yields at their highest since 2007 and 2001, respectively. Rising oil prices, partly due to the ongoing Iran conflict and the closure of the Strait of Hormuz, fanned inflation expectations. Additionally, massive borrowing by technology companies for AI infrastructure competed with government bond demand. The selloff in bonds rippled into equities, with tech stocks leading losses globally. The United States — Federal Reserve, under new Chair Kevin Warsh, faces pressure to hike rates, while the Japan — Bank of Japan is expected to raise rates as early as September. Foreign holdings of US Treasuries declined, led by Japan, the UK, and China.
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