The recent surge in 10-year Treasury yields, trading near 5.24% to 5.29% as of early October 2026 after briefly exceeding 5.34%, stems primarily from the Federal Reserve's September 25-basis-point rate hike to a 3.75%-4% target range and projections for additional tightening amid sticky inflation. Core PCE remains elevated near 3.4%, with resilient growth, strong retail sales, and elevated oil prices above $100 per barrel sustaining hawkish policy expectations. Heavy Treasury supply from persistent fiscal deficits, combined with record corporate bond issuance to fund AI infrastructure, has widened term premiums and lifted real yields. Key near-term catalysts include the October employment report and ongoing FOMC communications, which could shift market-implied odds on further policy adjustments and influence peak yield levels during the month.