3-Month Treasury Bill Minus Federal Funds Rate
TB3SMFFMratesFree tier
| Series ID | TB3SMFFM |
|---|---|
| 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 3-Month Treasury Bill Minus Federal Funds Rate observation, for 2026-09-01, is 0.19 Percent, up from 0.09 for 2026-08-01. It has not been revised since it was first published. 0.3% of observations in this history were revised after first release.
| Latest observation | 2026-09-01 |
|---|---|
| Latest value | 0.19 Percent |
| Previous | 0.09 (2026-08-01) |
| Change | 0.1 (+111.1%) |
| First published value | 0.19 |
| Last release | 2026-10-01 |
| Vintages stored | 151 |
| Observations | 867 |
Get it in Python
import finzdata as yf
df = yf.Client().macro("TB3SMFFM")
df.tail()Or chart it live on FinzData Explore.
Get a free API keySee history bundlesDownload free samples
Related rates series
- Agency-and GSE-Backed Mortgage Pools; Total Mortgages; Asset, Level
- All Sectors; Commercial Mortgages; Asset, Level
- All Sectors; One-to-Four-Family Residential Mortgages; Asset, Level
- All Sectors; Multifamily Residential Mortgages; Asset, Level
- All Sectors; Total Mortgages; Asset, Level
- Rest of the World; Treasury Securities Held by Foreign Official Institutions; Asset, Level
- Rest of the World; Treasury Securities Held by Private Foreigners; Asset, Level
- Federal Government; Total Marketable Treasury Bills; Liability, Level
- Money Market Funds; Treasury Securities; Asset, Level
- Nonfinancial Corporate Business; Corporate Bonds; Liability (Excluding Ereits), Level
- Interest Rates: Long-Term Government Bond Yields: 10-Year: Main (Including Benchmark) for Colombia
- Charge-Off Rate on Single Family Residential Mortgages, Booked in Domestic Offices, All Commercial Banks