Recent bond market volatility has driven the 30-year Treasury yield to multi-year highs near 5.6% in September 2026, its highest levels since 2004, amid persistent inflation concerns and robust economic growth. Heavy Treasury issuance to fund deficits, combined with strong corporate borrowing for AI infrastructure, has pressured long-end yields higher, outpacing shorter maturities in a bear steepening move. Traders are pricing in fewer near-term Fed rate cuts, with market-implied odds reflecting expectations for policy rates to stay elevated longer. Key upcoming data releases, including October employment and inflation figures, along with the next FOMC meeting, could further influence the month’s peak level and resolution thresholds.