The 5-year Treasury yield, recently trading near 4.78% after touching 5.09% in late September 2026, reflects elevated real rates driven by the Federal Reserve’s September 25-basis-point hike to a 3.75-4.00% target range and persistent inflation, with September CPI at 3.7% year-over-year and core at 2.6%. Stronger nominal growth expectations, heavy Treasury supply amid widening fiscal deficits, and corporate borrowing for AI infrastructure have lifted real yields and term premia while breakeven inflation measures remain anchored around 2.3-2.4%. Markets price in limited additional tightening through year-end, though the October 27-28 FOMC decision, November CPI and employment reports, and December projections will shape the path. These dynamics suggest yields could test higher levels before 2027 if inflation fails to moderate or growth remains resilient, while softer data could cap upside.