The 30-year Treasury yield has climbed to approximately 5.27% in early September 2026, up more than 40 basis points over the past month amid a broad selloff in long-duration bonds. Elevated oil prices from renewed U.S.-Iran tensions have stoked near-term inflation concerns, while Federal Reserve Chair Kevin Warsh and other officials have signaled a hawkish tilt, lifting market-implied odds of a 25-basis-point rate hike at the September 15–16 FOMC meeting to roughly 65%. Persistent fiscal pressures—U.S. debt exceeding $40 trillion and heavy Treasury supply—have lifted the term premium, and strong corporate issuance to fund AI infrastructure has competed for long-term capital, pushing real yields higher. Key near-term catalysts include the August employment report, CPI data, and the FOMC decision, all of which could shift the path for long-end rates.