Market Yield on U.S. Treasury Securities at 3-Year Constant Maturity, Quoted on an Investment Basis

WGS3YRratesFree tier

Series IDWGS3YR
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 3-Year Constant Maturity, Quoted on an Investment Basis observation, for 2026-10-16, is 4.87 Percent, down from 4.89 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 value4.87 Percent
Previous4.89 (2026-10-09)
Change-0.02 (-0.4%)
First published value4.87
Last release2026-10-19
Vintages stored1,559
Observations3,381
Largest revision (5 years)2022-04-01: 2.52 → 2.53

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df = yf.Client().macro("WGS3YR")
df.tail()

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