13-Week Treasury Bill Rate
Also commonly called the 3-Month Treasury Bill.
Latest 13-Week Treasury Bill Details
| Security | 13-Week Treasury Bill |
|---|---|
| CUSIP | 912797TM9 |
| Auction date | 2026-10-19 |
| Issue date | 2026-10-22 |
| Maturity date | 2027-01-21 |
| Days to maturity | 91 days |
13-Week Treasury Bill Rate History
Treasury Auction Demand
Auction demand can provide additional context about investor interest in this Treasury bill.
Compare Treasury Bill Rates
Compare the latest available rates across Treasury bill maturities.
| Treasury Bill | Latest Rate | Latest Issue |
|---|---|---|
| 4-Week T-Bill | 4.07% | 2026-10-20 |
| 6-Week T-Bill | — | 2026-10-22 |
| 8-Week T-Bill | 4.13% | 2026-10-20 |
| 13-Week T-Bill | — | 2026-10-22 |
| 17-Week T-Bill | 4.31% | 2026-10-20 |
| 26-Week T-Bill | — | 2026-10-22 |
| 52-Week T-Bill | 4.62% | 2026-10-01 |
What Is a 13-Week Treasury Bill?
A 13-Week Treasury Bill is a short-term U.S. government debt security that matures in approximately 13 weeks.
Treasury bills are generally sold at a discount and mature at their face value. The difference between the purchase price and maturity value represents the investor's return.
Who Might Consider a 13-Week T-Bill?
This maturity may be useful for cash that can remain invested until the bill matures. Shorter Treasury bills generally provide more frequent opportunities to reinvest, while longer bill maturities may allow an investor to lock a rate for a longer period.
The most appropriate maturity depends on when the cash may be needed, expected interest-rate changes, liquidity requirements, and the investor's broader cash-management strategy.
Treasury Bill Tax Treatment
Interest earned on U.S. Treasury securities is generally subject to federal income tax but is exempt from state and local income taxes.
Tax treatment can depend on individual circumstances. Treasurlytics does not provide tax advice.
How Can You Buy a 13-Week Treasury Bill?
Treasury bills can generally be purchased through TreasuryDirect or through brokerage firms that provide access to U.S. Treasury securities.
Investors using a brokerage may also have access to Treasury securities in the secondary market.
What If You Need the Money Before Maturity?
An individual Treasury bill held until maturity has a defined maturity value. If the security is sold before maturity through the secondary market, its market price may be higher or lower than the investor's purchase price.
Investors expecting to need their cash sooner may prefer a shorter Treasury maturity or a more liquid cash-management option.
Data Source and Important Information
Treasury security data is derived from U.S. Treasury data made available through Treasurlytics' Treasury data service.
Latest auction date shown: 2026-10-19
Rates and calculations are provided for informational and educational purposes only and do not constitute investment, tax, or financial advice.