TreasuryDirect vs. Fidelity for T-Bills in 2026

TreasuryDirect vs. Fidelity for Buying T-Bills in 2026: Auction Access, Auto-Roll, Liquidity, and Account Features

Buying a newly issued Treasury bill through TreasuryDirect does not produce a better auction yield than buying the same issue through Fidelity. Individual investors generally submit noncompetitive orders, so both platforms provide the yield determined by the Treasury auction.

The meaningful differences are the minimum purchase, access to a secondary market, account types, reinvestment tools, and day-to-day administration. TreasuryDirect is a practical choice for investing as little as $100 and holding each bill to maturity. Fidelity is usually more flexible for investors who want early-sale access, retirement-account eligibility, consolidated statements, and a familiar brokerage dashboard.

This article provides general information, not personalized financial, tax, or legal advice. Platform rules and account eligibility can change, so confirm current terms before placing an order.

TreasuryDirect vs. Fidelity: Quick Verdict

Choose TreasuryDirect if you want to buy new-issue T-bills directly from the U.S. Treasury, invest in $100 increments, and expect to hold the securities until maturity.

Choose Fidelity if you want to hold T-bills alongside other investments, use an eligible IRA or workplace account, or retain the ability to sell through the secondary market before maturity.

Feature	TreasuryDirect	Fidelity
Typical minimum for new T-bills	$100, with purchases in $100 increments	$1,000 face value, generally in $1,000 increments
New-issue auction access	Yes, directly through the U.S. Treasury	Yes, through Fidelity’s New Issues marketplace
Auction yield	Final yield determined at auction	Same auction result for the same new issue
Secondary-market trading	No direct secondary market	Yes, subject to market availability and pricing
Automatic reinvestment	Yes, for eligible securities	Yes, through Auto Roll for eligible auction purchases
Account types	Accounts designed specifically for Treasury securities	Taxable brokerage and certain eligible retirement accounts
Portfolio consolidation	Separate from brokerage investments	T-bills appear with stocks, funds, cash, and other holdings
Best fit	Smaller purchases held to maturity	Investors prioritizing flexibility and consolidated management

The better platform therefore depends on the planned holding period, possible cash needs, purchase amount, and account type—not on a presumed difference in the new-issue auction yield.

Who Should Use TreasuryDirect and Who Should Use Fidelity?

TreasuryDirect is best for investors who:

Want to start with $100 rather than $1,000.
Plan to hold their T-bills until maturity.
Want to purchase directly from the federal government.
Do not need their Treasury holdings displayed with a brokerage portfolio.
Are comfortable managing a separate government account and linked bank account.

Fidelity is best for investors who:

May need to sell a T-bill before its maturity date.
Already hold stocks, funds, bonds, or cash at Fidelity.
Want consolidated balances, transaction records, statements, and tax documents.
Want to buy T-bills in an eligible IRA or workplace retirement account.
Prefer an integrated brokerage interface with access to both auctions and the secondary market.

TreasuryDirect can work well for a fixed amount of cash earmarked for a known future date. Fidelity may be more appropriate when the money is part of a larger investment portfolio or could be needed unexpectedly.

Auction Access and Pricing: Are T-Bill Yields the Same?

Yes. Investors purchasing the same newly issued T-bill at the same auction generally receive the same auction-determined yield whether the order was submitted through TreasuryDirect or Fidelity.

Most individual investors use a noncompetitive bid. This means the investor agrees to accept the yield established by the auction rather than specifying a required yield. Competitive bids from institutional and other qualified bidders help establish the auction’s high discount rate and resulting price. Accepted noncompetitive bidders receive the auction result.

Fidelity is an intermediary providing access to the Treasury auction. It does not conduct a separate retail auction or establish a special Fidelity yield for the same new issue.

The final auction rate is not known when ordering

An upcoming auction may have an estimated yield based on current market conditions, but the actual investment rate and purchase price are not final until the auction is completed. Investors should not treat a recent T-bill yield or an indicated yield as a guaranteed result for the next auction.

How the order processes compare

At TreasuryDirect, an investor generally uses the BuyDirect section, selects “Bills,” chooses an available term and auction date, enters the purchase amount, selects a funding source, and decides whether to schedule reinvestments.

At Fidelity, an investor generally opens the fixed-income marketplace, selects New Issues, finds the Treasury auction, enters a quantity, reviews any Auto Roll choice, and submits the order before Fidelity’s cutoff. Brokerage order deadlines can be earlier than the Treasury’s official auction deadline.

TreasuryDirect may display scheduled offerings earlier or show more future auctions at one time. Fidelity may list an issue only after it becomes available for brokerage orders. A missing Fidelity listing does not necessarily mean that Fidelity will not offer the security.

Auctions versus secondary-market purchases

A secondary-market T-bill is different from an upcoming new issue. Its market price, settlement date, remaining maturity, and yield to maturity are displayed before the trade. That provides more price certainty, but the yield can be slightly higher or lower than the yield on a comparable new issue.

Minimums, Fees, and How Much Cash You Need

TreasuryDirect generally permits marketable Treasury purchases starting at $100, with additional amounts in $100 increments. Fidelity’s Treasury auction orders typically use $1,000 face-value increments. As a result, $1,000 is the practical minimum for a Fidelity new-issue T-bill order.

Example: $100 versus $1,000

Suppose two investors want a 13-week T-bill. One has $250 available and the other has $2,500.

The first investor could place a $200 face-value order through TreasuryDirect and leave the remaining cash in the bank account.
The second investor could order $2,000 of face value through Fidelity, subject to the issue’s availability and account buying power.

T-bills are sold at a discount, so the amount withdrawn for a bill will normally be slightly less than its face value. At maturity, the investor receives the full face value. The difference is the investor’s interest income.

Fidelity generally does not charge a separate fee for its Auto Roll service. New-issue online Treasury purchases also generally do not carry a transaction fee, but investors should review Fidelity’s current commission and fee schedule. Broker-assisted orders, certain account arrangements, and other transaction types may be treated differently.

Secondary-market trades should be evaluated separately. The quoted price, bid-ask spread, accrued amounts where relevant, order size, settlement terms, and any applicable fee can affect the transaction’s economics. Always review the trade confirmation before submitting the order.

Auto-Roll: Reinvesting Maturing T-Bills

Both platforms offer ways to reinvest a maturing T-bill into another bill with a similar term. This can simplify a T-bill ladder and reduce the chance that matured principal remains uninvested unintentionally.

TreasuryDirect allows investors to schedule reinvestments for eligible bills. If a reinvestment is not scheduled, the maturity proceeds are generally sent through the account’s designated payment process, such as the linked bank destination.

Fidelity Auto Roll is available for eligible Treasury auction positions. Fidelity identifies 4-, 6-, 8-, 13-, 17-, 26-, and 52-week bills as eligible terms, along with certain Treasury notes. Eligibility is limited to qualifying auction purchases; a Treasury purchased on the secondary market is not automatically eligible.

For a Treasury auction Auto Roll, Fidelity generally places the replacement order with the same face value and term as the maturing position. A $10,000 13-week bill would therefore roll into another $10,000 13-week bill if the service operates as scheduled.

Only the maturing principal is used to determine the replacement position. Interest is not added to the next bill’s face value. Because a T-bill is purchased below face value, the discount-related cash difference remains in the account rather than increasing the Auto Roll order.

Fidelity also monitors the expected yield during the open-order period. If the monitored expected yield remains below zero at the specified review time, Fidelity may not generate the reinvestment order. The funds would remain in the account’s core position, and Fidelity indicates that it will notify the investor.

Auto-roll checklist

Confirm the maturity date: Know when the current bill will mature and when the replacement auction is expected.
Verify the term: Check whether the replacement will remain a 4-, 13-, 26-, or 52-week bill, for example.
Check the face value: Do not confuse the bill’s face value with its discounted purchase price.
Review the funding source: Confirm the linked bank account, brokerage core position, or account buying power.
Verify reinvestment status: Look for an active reinvestment instruction or Auto Roll indicator rather than assuming it is enabled.
Review alerts: Watch for canceled orders, negative expected-yield notices, account restrictions, or auction changes.
Check the cash difference: Decide how any interest or unused cash should be invested.

Liquidity and Selling Before Maturity

Liquidity is the clearest operational difference between TreasuryDirect and Fidelity.

Fidelity provides access to a secondary market where eligible T-bills can generally be sold before maturity. The investor can request or review a bid, see the estimated proceeds, and place the trade within the brokerage account.

TreasuryDirect does not operate a secondary market. To sell a marketable Treasury held there, an investor normally must transfer it to a bank, broker, or dealer capable of completing the sale. TreasuryDirect generally requires a marketable security to be held for at least 45 days after issuance before it can be transferred.

The transfer process can also involve account information, receiving-broker instructions, identity verification, and processing time. TreasuryDirect should therefore not be treated as a source of immediate liquidity before maturity.

Early sales can produce gains or losses

A T-bill’s market value changes as interest rates and market conditions change. If rates rise after purchase, the bill’s value will generally fall. If rates decline, its value may rise. Selling before maturity can therefore produce proceeds above or below the investor’s cost, even though the U.S. government remains obligated to pay the bill’s face value at maturity.

Emergency-fund example

Assume an investor places $20,000 of emergency savings into a 26-week T-bill. Two months later, a major home repair requires $12,000.

If the bill is held at Fidelity, the investor may be able to sell all or part of the eligible position through the secondary market, accepting the current bid and any resulting gain or loss. If the bill is held at TreasuryDirect, the investor may have to transfer the security to a broker after satisfying the 45-day holding requirement and then arrange the sale.

For money that might be needed quickly, Fidelity’s secondary-market access is a significant advantage. Holding a T-bill to maturity, however, avoids the need to accept a potentially unfavorable market price.

Account Features, Retirement Accounts, and Administration

Fidelity can display T-bills alongside stocks, exchange-traded funds, mutual funds, bonds, CDs, cash, and other investments. That consolidated view makes it easier to evaluate allocation, upcoming maturities, available cash, and total account value.

T-bills may also be available in eligible Fidelity IRAs and certain 401(k), 403(b), or other retirement accounts. Availability depends on the account’s investment menu, trading permissions, and access to fixed-income inventory. A self-directed Fidelity IRA may offer different choices from an employer-sponsored plan.

TreasuryDirect is a dedicated government-securities system rather than a conventional brokerage. It is useful for direct ownership, but its holdings remain separate from a standard brokerage portfolio.

Access and identity verification

TreasuryDirect has introduced ID.me verification for full access to certain account functions. Depending on the account and current access status, completing verification may be necessary to manage functions such as editing or canceling reinvestment instructions. Investors should complete required identity and login steps well before an auction, maturity, or account change.

Statements, beneficiaries, and tax records

Fidelity’s main administrative advantage is consolidation. Brokerage statements can include Treasury positions with other assets, and applicable tax documents are generally available through the same document center. Cash movements and transaction histories also appear with the rest of the account activity.

TreasuryDirect maintains its own records, tax forms, registrations, and beneficiary or secondary-owner arrangements. These features can be useful, but they require separate administration and careful attention to how each security is registered.

Interest from U.S. Treasury obligations is generally subject to federal income tax but exempt from state and local income taxes. Reporting details can differ based on the account, transaction history, and tax software. Investors should verify the treatment that applies to their circumstances, especially after transfers or secondary-market sales.

Pros, Cons, and Practical Alternatives

TreasuryDirect pros

$100 minimum for new-issue T-bills.
Direct access to Treasury auctions.
Automatic reinvestment for eligible securities.
No need to maintain a conventional brokerage account.

TreasuryDirect cons

No direct secondary market.
Transfers for early sale are slower and subject to a 45-day holding rule.
Separate login, records, beneficiary administration, and tax documents.
Government-account workflows may feel less familiar than a brokerage interface.

Fidelity pros

Access to both new issues and secondary-market Treasuries.
Potential eligibility in taxable, IRA, and certain workplace accounts.
Auto Roll for qualifying auction purchases.
Consolidated statements, portfolio balances, and tax documents.

Fidelity cons

A typical $1,000 face-value minimum is higher than TreasuryDirect’s minimum.
Upcoming auctions may appear later in the brokerage interface.
Secondary-market prices can move, and selling early can create a loss.
Auto Roll eligibility does not cover every Treasury security or secondary-market purchase.

Alternatives include purchasing T-bills through another major broker, building a Treasury ladder manually, using a Treasury money market fund, or buying a short-term Treasury ETF. Funds and ETFs provide different liquidity and reinvestment characteristics, but they do not guarantee the return of a specific face value on an individual maturity date.

Bottom Line: Which Platform Is Better in 2026?

TreasuryDirect is the better fit when the priority is a $100 entry point, direct government access, and holding newly issued T-bills until maturity. Its limitations matter less when the investor has a known time horizon and does not expect to sell early.

Fidelity is generally better when liquidity, secondary-market access, eligible retirement accounts, Auto Roll, and consolidated portfolio management are more important. It is especially convenient for investors who already use Fidelity for other investments.

Do not switch platforms solely because one is assumed to offer a higher new-issue yield. For the same T-bill auction, accepted noncompetitive orders generally receive the same auction result. The decision should instead reflect minimums, cash-access needs, account type, and administrative preferences.

What to do next

Compare upcoming T-bill auction and maturity dates with the date the cash may be needed.
Confirm whether the purchase amount meets the platform’s minimum increment.
Decide whether the bill belongs in a taxable account or an eligible retirement account.
Review reinvestment or Auto Roll settings before submitting the order.
Verify the linked funding source, available buying power, login access, and identity-verification requirements.
If early access could be necessary, evaluate secondary-market availability before choosing TreasuryDirect.