Buying Treasury Bills Through a Brokerage

How to Buy Treasury Bills Through a Brokerage starts with one simple question: what does your broker actually offer? Depending on the platform, you may be able to buy newly issued T-bills through an auction, purchase existing bills in the secondary market, or use both options.

That distinction matters. A new-issue purchase follows the Treasury auction process, while a secondary-market purchase involves buying a Treasury security that is already outstanding. Prices, availability and the way you place the order can therefore differ between the two.

If you are new to T-bills, start with our

Treasury Bills Explained guide

for the basics. This article then takes the next step: how to find a T-bill inside a brokerage account, review the price and maturity, place an order, understand costs and taxes, and handle the security after you buy it.

What You’ll Learn

Quick Answer: How Brokerage T-Bill Purchases Work

Key Takeaways

Table of Contents

Treasury Bills Through a Brokerage at a Glance

A brokerage account can make it easier to keep Treasury bills alongside your other investments. Depending on the platform, you may find newly issued T-bills offered through the auction process, existing bills available in the secondary market, or both. Features, availability, pricing and transaction costs can vary by brokerage.

How to Buy Treasury Bills Through a Brokerage: Beginner Guide

If you already have a brokerage account, buying an individual Treasury bill can be a straightforward process. The important part is knowing which type of T-bill you are purchasing and understanding the order details before you submit the trade. Start by checking whether your brokerage offers individual Treasury securities and which purchase options are available.

1. Find the Brokerage’s Treasury Section

Sign in to your brokerage account and look for its bonds, fixed-income or Treasury section. The menu name can vary by platform. If you want an individual security with a specific maturity date, make sure you are selecting an individual Treasury bill rather than a Treasury ETF or bond fund.

2. Choose How You Want to Buy

Depending on the broker, you may see newly issued T-bills offered through an auction, existing bills available in the secondary market, or both. A new issue follows the Treasury auction process. A secondary-market purchase involves an already-issued bill and can have a different price, yield and transaction terms.

3. Review the T-Bill Details

Before ordering, check the maturity date, quoted price or yield, investment amount and settlement information. If your plan is to hold the bill until maturity, make sure the maturity date fits your cash needs. For a secondary-market purchase, pay close attention to the quoted price because it may differ from the bill’s original issue price.

4. Review and Submit the Order

Review the final order quantity, price or yield, estimated cost, settlement date and any applicable brokerage charges. Once the transaction is completed, save the trade confirmation. It gives you a record of the security you purchased and helps you track it through maturity or a future sale.

How Brokerage T-Bill Purchases Work

When you buy a Treasury bill through a brokerage, the process depends on whether you are purchasing a new issue or an existing bill. Your brokerage provides the platform for placing and settling the transaction, while newly issued T-bills follow the U.S. Treasury’s auction process.

New-Issue T-Bills

Some brokerages allow customers to request newly issued T-bills before an upcoming auction. The exact order process varies by broker. For a noncompetitive purchase, you generally agree to accept the auction’s resulting terms rather than specifying your own discount rate. Treasury auction rules accept noncompetitive bids before competitive bids are used to determine the auction result.

For Treasury bills, competitive auction bids specify a discount rate. The auction establishes the accepted rate, which is then used under Treasury’s auction terms to determine the purchase price for the securities awarded. Your brokerage should provide the resulting trade details after the transaction is processed.

Secondary-Market T-Bills

A secondary-market purchase works differently because the T-bill has already been issued. Your brokerage may display available bills with current market prices and yield information. The amount you pay can be above or below the bill’s original issue price, depending on market conditions and the remaining time to maturity.

What Happens After You Buy

If you hold the T-bill until maturity, the Treasury pays its face value according to the security’s terms. The difference between your purchase price and face value generally represents your return before taxes and applicable costs. If you sell before maturity, your result depends on the market price available when you sell, which can be different from your original purchase price.

Benefits and Drawbacks of Buying T-Bills Through a Brokerage

Buying Treasury bills through a brokerage can be convenient if you already manage stocks, ETFs and other investments in the same account. It can also give you access to different Treasury maturities and, depending on the broker, both new issues and secondary-market securities. However, the available features, pricing and transaction costs can vary by platform.

TreasuryDirect vs Brokerage: What’s the Difference?

TreasuryDirect and brokerage accounts can both provide access to individual Treasury bills, but they serve different purposes. TreasuryDirect is operated by the U.S. Treasury and lets investors purchase eligible marketable Treasury securities directly. A brokerage can place Treasury investments alongside stocks, ETFs and other securities in the same account. TreasuryDirect charges no purchase fee or commission for marketable securities, while brokerage pricing and transaction costs depend on the firm and the type of trade.

Costs, Taxes, Risks and Practical Tips

The amount you pay for a Treasury bill is only one part of the transaction. Before placing an order, review the quoted price or yield, maturity date, settlement details and any applicable brokerage charges. Costs and pricing can vary by broker, particularly when you trade in the secondary market.

Understand the Tax Treatment

Interest income from U.S. Treasury bills is generally subject to federal income tax but exempt from state and local income taxes. Treasury bill interest is generally reported on Form 1099-INT in Box 3. Your broker may include this information in a consolidated tax statement, so keep the documents for your federal tax return.

Consider the Risk of Selling Early

A T-bill sold before maturity may have a market value that is different from the amount you originally paid. Your sale proceeds can therefore be higher or lower than your purchase price. If you hold the bill until maturity, the Treasury pays its face value according to the security’s terms. Tax reporting may depend on when and how the bill is sold or matures.

Practical Tips Before You Buy

• Confirm whether you are buying a new issue or a secondary-market T-bill.
• Check the maturity date against when you expect to need the money.
• Review both the quoted price and yield instead of relying on a single figure.
• Check your brokerage’s current charges, settlement terms and order details before confirming the trade.

Common Mistakes When Buying T-Bills Through a Brokerage

Buying a Treasury bill through a brokerage is straightforward once you understand the order. The mistakes usually happen when investors focus on the quoted yield and overlook the maturity date, purchase type, price or transaction terms.

Real-Life Example: A $10,000 T-Bill Purchase

Imagine an investor has $10,000 available and finds an individual Treasury bill through a brokerage. Before placing the order, the investor checks the bill’s maturity date, quoted price or yield, purchase amount and applicable transaction terms. The investor also confirms whether the bill is a new issue or an existing security in the secondary market.

If the investor holds the T-bill until maturity, the Treasury redeems it at its face value according to the security’s terms. Because T-bills are issued at a discount, the difference between the purchase price and face value represents the interest earned before taxes and applicable costs. If the investor sells before maturity, the amount received depends on the market price available at that time and can differ from the original purchase price.

Who Should Choose a Brokerage for T-Bills?

A brokerage can be useful for investors who already manage stocks, ETFs and other investments in one account and want to add individual Treasury bills to the same platform. Depending on the broker, the account may also provide access to new Treasury issues, secondary-market T-bills or both.

A Brokerage May Be Relevant If You Want:

• Individual Treasury bills held alongside your other investments.
• Potential access to existing Treasury securities in the secondary market.
• Brokerage tools for reviewing Treasury prices, yields and available maturities.
• Reinvestment or auto-roll features, if offered by your brokerage for eligible Treasury purchases.

TreasuryDirect is another option for investors who want to purchase eligible Treasury securities directly from the U.S. Treasury. A brokerage may provide a broader investment account experience, while TreasuryDirect focuses on Treasury and savings products. The practical difference comes down to the purchase method, available features, secondary-market access and how you plan to manage the securities.

Treasury Bill FAQs

Final Verdict: Buying T-Bills Through a Brokerage

Buying Treasury bills through a brokerage gives investors another way to access individual Treasury securities while keeping them within a broader investment account. Depending on the brokerage, you may be able to purchase new issues through Treasury auctions, buy existing T-bills in the secondary market, and use features such as reinvestment or auto-roll.

Before placing an order, identify the type of transaction and review the details carefully. Check the T-bill’s maturity date, price or yield, purchase amount, settlement information and any applicable brokerage costs. If you may need the money before maturity, understand how a secondary-market sale works and how the market price can affect your proceeds.

Related Treasury Bill Resources

Want to continue your Treasury bill research? These FinanceInvestment guides cover the basics, different maturities, rates and what happens when you sell before maturity. Use them to build a clearer picture before choosing how you want to buy and manage T-bills.

Have a Money Question? Keep Exploring.

Before buying your next Treasury bill, review the maturity, pricing, purchase method and any applicable brokerage costs. A little research can make the order details much easier to understand.