Elevated inflation and expectations for additional Federal Reserve tightening amid resilient growth and heavy Treasury supply are the main forces lifting the 10-year Treasury yield, which recently reached 5.36%—its highest level since 2002—and stands near 5.30% as of early October 2026. Sticky core readings, rising oil prices above $100, and a September FOMC hike to the 3.75–4.00% funds rate range have shifted market-implied odds toward further policy firming, while large fiscal deficits and AI-related corporate borrowing have widened the term premium and boosted real yields. Upcoming CPI and PPI releases, the October FOMC meeting, and ongoing supply auctions will provide key tests for whether yields extend gains or stabilize below recent peaks before 2027.