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

GS3MratesFree tier

Series IDGS3M
UnitsPercent
FrequencyMonthly
Categoryrates
Latest observation2026-09-01
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-Month Constant Maturity, Quoted on an Investment Basis observation, for 2026-09-01, is 4.09 Percent, up from 3.88 for 2026-08-01. It has not been revised since it was first published. 0.0% of observations in this history were revised after first release.

Latest observation2026-09-01
Latest value4.09 Percent
Previous3.88 (2026-08-01)
Change0.21 (+5.4%)
First published value4.09
Last release2026-10-01
Vintages stored360
Observations541

Get it in Python

import finzdata as yf
df = yf.Client().macro("GS3M")
df.tail()

Or chart it live on FinzData Explore.

Get a free API keySee history bundlesDownload free samples

Related rates series