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Understanding Treasury Bills (T-Bills): What They Are and How They Work

Last updated 04/09/2024 by

SuperMoney Team

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Summary:
T-Bills are a valuable investment option for those seeking a low-risk investment with a guaranteed return of investment. As a government bond, they are considered one of the safest investments available. T-Bills are issued at a discount and have short-term maturity periods. Investors can purchase T-Bills through a bank, broker, or directly through the Treasury’s website, and they offer advantages such as low risk and simplicity. However, T-Bills also come with risks such as low returns compared to other investment options and inflation risk.

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What are T-Bills?

T-Bills are a type of government bond issued by the US Treasury. They are short-term securities, with maturity periods ranging from 4 weeks to 52 weeks. T-Bills are typically issued at a discount, meaning that you pay less than the face value of the bond when you purchase it. The difference between the purchase price and the face value is your return on investment.
T-Bills are considered a low-risk investment, as they are backed by the full faith and credit of the US government. This means that they are virtually risk-free, as the government guarantees to pay the face value of the bond at maturity.
In comparison to other types of government securities, such as Treasury Notes and Bonds, T-Bills have the shortest maturity periods. Treasury Notes have maturity periods ranging from 2 to 10 years, while Treasury Bonds have maturity periods ranging from 20 to 30 years.

How do T-Bills work?

T-Bills are sold through a competitive bidding process, where investors bid on the price they are willing to pay for the bond. The bids are ranked from highest to lowest, and the highest bids are accepted until the Treasury reaches its target amount. The accepted bids determine the discount rate, which is the return that investors will receive when the bond matures.
T-Bills are issued at a discount to their face value, and the discount rate is determined by the difference between the purchase price and the face value. For example, if you purchase a $1,000 T-Bill at a discount of 2%, you will pay $980 for the bond. When the bond matures, you will receive the face value of $1,000, resulting in a return of $20 or 2%.
The maturity period of a T-Bill determines its yield. Generally, the longer the maturity period, the higher the yield. However, the shorter the maturity period, the less risk you take on, as the interest rate can change over time.

What influences T-Bill prices?

The prices of T-Bills can be influenced by various factors, including inflation, changes in interest rates, and economic stability. Inflation can cause T-Bill prices to decrease, as investors demand a higher yield to offset the effects of inflation. Conversely, a decrease in interest rates can increase T-Bill prices, as investors are willing to accept a lower yield due to the lower risk.

Advantages and risks of T-Bills

T-Bills offer several advantages as a low-risk investment option. Some of the key advantages include:
  1. Guaranteed return of investment: T-Bills are backed by the US government, which means that investors are guaranteed to receive the face value of their investment at maturity.
  2. Low risk: T-Bills are considered one of the safest investments available, as they are backed by the US government.
  3. Liquidity: T-Bills are highly liquid and can be sold on the secondary market before maturity.
  4. Easy to buy: T-Bills can be purchased through a bank, broker, or directly through the Treasury’s website.
  5. Tax benefits: T-Bills are exempt from state and local taxes, although they are subject to federal income tax.
Despite their advantages, T-Bills also come with certain risks. One of the main risks associated with T-Bills is inflation risk. If inflation rises, the return on investment from T-Bills may not keep pace with the rate of inflation, which means that investors may experience a loss in real terms.

How to invest in T-Bills

Investing in T-Bills is a relatively simple process. Here are the steps to follow:
  1. Determine the amount you want to invest: The minimum investment for T-Bills is $100.
  2. Research the current T-Bill rates and maturity periods: T-Bills are issued with different maturity periods, ranging from a few days to a year.
  3. Open a TreasuryDirect account on the Treasury’s website: This is the platform through which you can purchase T-Bills directly from the government.
  4. Place your bid for the desired T-Bill: When placing your bid, you can specify the amount you wish to invest and the maturity period you are interested in.
  5. Wait for the auction results: The Treasury conducts weekly auctions for T-Bills, and if your bid is accepted, the Treasury will deduct the purchase amount from your linked bank account.
Alternatively, you can also purchase T-Bills through a bank or broker. In this case, the bank or broker will purchase the T-Bills on your behalf and charge a commission for the service.

FAQs

Are T-Bills taxable?

Yes, T-Bills are subject to federal income tax, but exempt from state and local taxes.

Can T-Bills be sold before maturity?

Yes, T-Bills can be sold on the secondary market before maturity. However, the price you receive may be more or less than the face value, depending on the prevailing interest rates.

What is the minimum investment for T-Bills?

The minimum investment for T-Bills is $100.

Can T-Bills be used as collateral for loans?

Yes, T-Bills can be used as collateral for loans.

Key takeaways

  • T-Bills are a type of government bond issued by the US Treasury with short-term maturity periods.
  • They are sold at a discount and offer a guaranteed return of investment backed by the US government.
  • T-Bills are a low-risk investment but also have low returns compared to other investment options.
  • Investing in T-Bills is a simple process, and can be done through a bank, broker, or directly through the Treasury’s website.

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