Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis

WGS30YRratesFree tier

Series IDWGS30YR
UnitsPercent
FrequencyWeekly, Ending Friday
Categoryrates
Latest observation2026-10-16
HistoryPoint-in-time: every value as first published plus each revision, so backtests see only what was known on the day

Latest reading

The latest Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis observation, for 2026-10-16, is 5.49 Percent, down from 5.63 for 2026-10-09. It has not been revised since it was first published. 0.1% of observations in this history were revised after first release.

Latest observation2026-10-16
Latest value5.49 Percent
Previous5.63 (2026-10-09)
Change-0.14 (-2.5%)
First published value5.49
Last release2026-10-19
Vintages stored1,353
Observations2,592

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df = yf.Client().macro("WGS30YR")
df.tail()

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