# 30-year Treasury yield

Market yield on US Treasury securities at 30-year constant maturity, quoted on an investment basis, monthly average of business days, in percent per year (Federal Reserve H.15).

## Key facts

- 30-year Treasury yield in the United States was 5.37% in September 2026, according to the Board of Governors of the Federal Reserve System.
- Published for 1 places, with figures from February 1977 to September 2026.
- Figures last updated on 2026-10-12.

- Indicator id: `treasury_yield_30y`
- Unit: %
- Note: Constant maturity yields are interpolated by the US Treasury from its yield curve. They describe a fixed maturity rather than the return on one particular bond. Values are monthly averages, not month-end quotes.
- Web page: https://invokely.ai/en/us-30-year-treasury-yield
- API: https://invokely.ai/api/v1/indicators/treasury_yield_30y

## Latest figures

| Place | Period | % | Source |
|---|---|---:|---|
| United States | 2026-09 | 5.37 | Board of Governors of the Federal Reserve System. H.15 Selected Interest Rates: market yield on US Treasury securities at 30-year constant maturity, investment basis, monthly average (RIFLGFCY30_N.M). https://www.federalreserve.gov/datadownload/Output.aspx?rel=H15&series=d7e27b7b09a3a7feae95b9c61781fcd8&lastobs=&from=&to=&filetype=csv&label=include&layout=seriescolumn&type=package. Retrieved 2026-10-12. |