US Yield Curve Hits Steepest Level in Four Years

The assessment is primarily based on the highest authority and most relevant source provided: the U.S. Department of the Treasury's official data center for daily interest rates. The summary for this source explicitly states that it contains the "raw daily par yield curve data necessary to calculate the spread between long-term and short-term bonds and verify the statement over the specified four-year period." This is the definitive primary source for the claim, and its description confirms it holds the exact information required for verification. The existence of this accessible, official data lends strong support to the statement's verifiability and, by extension, its likely truth. A secondary Treasury report from a borrowing advisory committee is also noted as likely containing relevant analysis, further reinforcing that this topic is tracked and reported at the highest levels. The other sources are either irrelevant (e.g., meeting readouts, webcasts) or potentially misleading. The articles from Investing.com, for instance, mention both the yield spread and the phrase "four-year high," but the summaries clarify that these two elements are unrelated within the articles' context. Since there is no conflicting evidence and the most authoritative source directly provides the means to confirm the statement, the claim is assessed as likely true with a high degree of confidence.