Market Yield on U.S. Treasury Securities at 1-Month Constant Maturity, Quoted on an Investment Basis
GS1MratesFree tier
| Series ID | GS1M |
|---|---|
| Units | Percent |
| Frequency | Monthly |
| Category | rates |
| Latest observation | 2026-09-01 |
| History | Point-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 1-Month Constant Maturity, Quoted on an Investment Basis observation, for 2026-09-01, is 3.93 Percent, up from 3.79 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 observation | 2026-09-01 |
|---|---|
| Latest value | 3.93 Percent |
| Previous | 3.79 (2026-08-01) |
| Change | 0.14 (+3.7%) |
| First published value | 3.93 |
| Last release | 2026-10-01 |
| Vintages stored | 301 |
| Observations | 303 |
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