30-year Treasury par yield
Daily par yield curve rate, 30-year. Series id us.yield.30y. Licence: US public domain.
Recent observations
| Period | Value | Vintage |
|---|---|---|
| 2026-10-30 | 5.31 | 2026-11-02 |
| 2026-10-29 | 5.32 | 2026-11-02 |
| 2026-10-28 | 5.37 | 2026-11-02 |
| 2026-10-27 | 5.30 | 2026-11-02 |
| 2026-10-26 | 5.31 | 2026-11-02 |
| 2026-10-23 | 5.33 | 2026-11-02 |
| 2026-10-22 | 5.29 | 2026-11-02 |
| 2026-10-21 | 5.42 | 2026-11-02 |
| 2026-10-20 | 5.42 | 2026-11-02 |
| 2026-10-19 | 5.48 | 2026-11-02 |
| 2026-10-16 | 5.43 | 2026-11-02 |
| 2026-10-15 | 5.43 | 2026-11-02 |
| 2026-10-14 | 5.52 | 2026-11-02 |
| 2026-10-13 | 5.56 | 2026-11-02 |
| 2026-10-09 | 5.60 | 2026-11-02 |
| 2026-10-08 | 5.60 | 2026-11-02 |
| 2026-10-07 | 5.67 | 2026-11-02 |
| 2026-10-06 | 5.64 | 2026-11-02 |
| 2026-10-05 | 5.66 | 2026-11-02 |
| 2026-10-02 | 5.63 | 2026-11-02 |
| 2026-10-01 | 5.61 | 2026-11-02 |
Calls
GET /api/v1/series/us.yield.30y
GET /api/v1/series/us.yield.30y/history?limit=120
GET /api/v1/series/us.yield.30y/history?as_of=2026-06-30
GET /api/v1/series/us.yield.30y/vintages?period=2026-10-30
MCP: macro_latest(series_id="us.yield.30y")Source: U.S. Department of the Treasury. Adapter treasury_yield.
About this series
30-year Treasury par yield is published by U.S. Department of the Treasury daily in percent. Daily par yield curve rate, 30-year. MacroDataAPI collects it at release, keeps every revision with its vintage date, and serves it under its US public domain licence with attribution in the source field.
Get it free
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Backtest it
history?as_of= returns the series as it was known on that date and vintages?period= lists every revision of one period. Needs a pass or a per-request payment.
Watch the release
The release calendar lists the next print in UTC. On release day the series is polled every minute until the new period lands.