Each report is built on official data — the U.S. Treasury par yield curve and its month-over-month, year-to-date and one-year moves, the New York Fed’s policy rates, bond ETF returns by duration and credit segment, and the technical posture of long-term Treasuries — with the narrative written around those numbers. A new report is published on the first of every month. For today’s figures, see Treasury yields today, the yield curve and corporate bond yields.