Average Interest Rate on Treasury Bills was last reported at 3.870 % as of September 1, 2026. That is up 2.16% from the prior reading of 3.788 %. This indicator is reported Monthly and not seasonally adjusted, and is tracked under the Fiscal category.
| Date | Value (%) |
|---|---|
| Sep 2026 | 3.870 |
| Aug 2026 | 3.788 |
| Jul 2026 | 3.758 |
| Jun 2026 | 3.706 |
| May 2026 | 3.690 |
| Apr 2026 | 3.696 |
| Mar 2026 | 3.702 |
| Feb 2026 | 3.720 |
| Jan 2026 | 3.760 |
| Dec 2025 | 3.860 |
| Date | Value (%) |
|---|---|
| Nov 2025 | 3.983 |
| Oct 2025 | 4.075 |
| Sep 2025 | 4.187 |
| Aug 2025 | 4.283 |
| Jul 2025 | 4.314 |
| Jun 2025 | 4.306 |
| May 2025 | 4.316 |
| Apr 2025 | 4.335 |
| Mar 2025 | 4.359 |
| Feb 2025 | 4.399 |
Pull the full history of Average Interest Rate on Treasury Bills into your own models, spreadsheets and apps with the
free Business Quant Economic Data API. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/economic?code=USAVGRATEBILLS&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/economic"
params = {"code": "USAVGRATEBILLS", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/economic?code=USAVGRATEBILLS&period=max&api_key=YOUR_API_KEY");
const data = await res.json();