Browse Investing

Treasury Securities: Government Debt Instruments

Treasury securities are U.S. government debt instruments, including Treasury bills, notes, and bonds, used to finance federal spending and manage public debt.

Treasury Securities are government debt instruments issued by the U.S. Department of the Treasury to finance the country’s government spending obligations. These include Treasury Bills (T-Bills), Treasury Notes (T-Notes), and Treasury Bonds (T-Bonds). Treasury securities are considered one of the safest investments due to the backing by the full faith and credit of the U.S. government.

Treasury Bills (T-Bills)

T-Bills are short-term securities that mature in one year or less. They are sold at a discount from their face value, and investors receive the full face value upon maturity. The difference between the purchase price and the face value is the interest earned.

$$ \text{Discount Price} = \text{Face Value} - \text{Interest Earned} $$

Treasury Notes (T-Notes)

T-Notes are medium-term securities that mature in two to ten years. They pay interest semi-annually and return the principal amount at maturity.

Treasury Bonds (T-Bonds)

T-Bonds have the longest maturities, ranging from twenty to thirty years. Like T-Notes, they pay interest semi-annually and return the principal at maturity.

How Treasury Securities Work

Treasury securities are auctioned to the public, financial institutions, and foreign governments. Investors buy them at auction or in the secondary market, and the Treasury uses the proceeds to fund public spending such as infrastructure, defense, and government operations. The price and yield move with market demand.

Interest Rate Risk

Treasury securities, particularly T-Notes and T-Bonds, are subject to interest rate risk. When interest rates rise, the prices of existing securities fall, and vice versa.

Inflation Risk

While Treasury securities are relatively safe, they are not completely risk-free. Inflation can erode the purchasing power of the fixed interest payments.

Liquidity and Benchmarking

Treasury securities are highly liquid and are often used as benchmarks for other interest rates. Their yields are watched closely as indicators of market expectations and broader economic conditions.

Taxation

Interest income from Treasury securities is exempt from state and local taxes but is subject to federal income tax.

Applicability

Treasury securities are used by a range of investors, from individual retail investors seeking a safe investment to large institutional investors like pension funds and foreign governments.

FAQs

What is the minimum purchase amount for Treasury securities?

The minimum purchase amount for most Treasury securities is $100.

How can I buy Treasury securities?

Treasury securities can be purchased directly from the Treasury through the TreasuryDirect website, or via a broker or bank.

Are Treasury securities a good investment?

Treasury securities are considered one of the safest investments due to the backing of the U.S. government, but they typically offer lower returns compared to more risky investments.

How do Treasury securities affect the economy?

Treasury securities help finance government spending, influence interest rates, and provide a benchmark for many other fixed-income markets.
Revised on Monday, May 18, 2026