Treasury bills, notes, and bonds are the same borrower on very different clocks

The names sound interchangeable. In casual conversation, "Treasury bond" often means almost any debt issued by the U.S. Treasury. The official labels are narrower: a bill matures within a year, a note runs for two to 10 years, and a bond runs for 20 or 30 years.

That change in maturity affects when interest arrives, how often the money must be reinvested, and how much the market price can move before maturity. It does not change the borrower. TreasuryDirect says all Treasury marketable securities are backed by the full faith and credit of the United States government.

There is no single winner among the three. The useful question is which maturity and cash-flow pattern match the job assigned to the money.

The short version

Treasury bills currently come in regular terms of 4, 6, 8, 13, 17, 26, and 52 weeks. They are sold at a discount or at face value. The investor receives face value when the bill matures, and the difference is the interest.

Treasury notes mature in 2, 3, 5, 7, or 10 years. They pay a fixed rate of interest every six months, followed by the principal at maturity.

Treasury bonds mature in 20 or 30 years. Like notes, they pay fixed interest every six months and return principal at maturity.

All three are marketable. They can be held to maturity or sold beforehand. Selling early is where the differences become harder to ignore.

Why bills do not send a regular interest payment

A conventional bill does not work like a savings account that credits interest every month. Suppose a bill has a $1,000 face value and an investor pays less than $1,000 at auction. At maturity, Treasury pays the $1,000 face value. The gap between the purchase price and face value is the interest.

The actual purchase price and investment rate come from the auction. This article does not use a sample rate because auction results move and a made-up rate would turn a structural comparison into a stale quote.

The bill's short life can be useful when the money has a date attached to it. A bill that matures shortly before a tuition payment, tax bill, or planned purchase creates a known maturity payment, subject to the Treasury meeting its obligation. The trade-off is that the proceeds must soon find a new home. If market rates have fallen by then, the next bill may pay less.

That is reinvestment risk. It is easy to miss when today's short-term yield looks attractive.

Notes spread the commitment across several years

A Treasury note fixes its coupon rate at auction and pays interest twice a year. The two- through 10-year range puts notes between cash-like bills and very long bonds.

A note can reduce the need to keep rolling short-term securities. A five-year note, for example, does not require a new rate decision every few months. But the holder gives up the ability to reinvest the full principal at a higher rate until the note matures or is sold.

That second choice comes with a market price. If newer securities offer higher yields, an older fixed-rate note generally becomes less attractive and may trade below face value. If market yields fall, its price may rise. The relationship is inverse: yields up, existing fixed-rate prices down; yields down, existing fixed-rate prices up.

The effect is not identical for every note. Time to maturity, coupon, yield, and the timing of cash flows all matter. The Bond Price Change Calculator gives a rough duration-based estimate, not a live quote or an exact sale price.

Bonds make a much longer rate commitment

Treasury uses the word "bond" for its 20- and 30-year securities. That is a long contract. The coupon is fixed, and payments continue every six months until maturity.

Long maturity cuts reinvestment risk on the principal because the stated rate lasts for decades. It also increases exposure to changing market rates. A 30-year bond has many distant payments. When investors discount those payments at a higher market yield, their present value can fall sharply.

This can produce an odd-looking result: a security backed by the federal government may show a sizable unrealized loss in a brokerage account. Credit backing addresses whether promised payments are made. It does not guarantee a stable resale price.

Holding to maturity changes the practical outcome. Treasury still owes the stated coupon payments and face value under the security's terms, regardless of the price displayed between purchase and maturity. Yet "just hold it" is not a complete answer if the money might be needed in year five, or if inflation erodes what the fixed payments can buy.

Maturity risk is not default risk

Bills, notes, and bonds share the same federal backing. Their market prices behave differently because their cash flows arrive at different times.

Three risks are often mixed together:

  • Credit risk is the risk that the issuer does not make a promised payment.
  • Interest-rate risk is the risk that a fixed-rate security loses market value when prevailing yields rise.
  • Reinvestment risk is the risk that maturing principal or an interest payment can only be reinvested at a lower rate.

Short bills usually have little price movement when held for their brief term, but they expose the investor to frequent reinvestment. Long bonds lock a coupon for much longer, but their resale prices are more sensitive to rate changes. Notes sit between those endpoints, though the exact risk still depends on the security.

Inflation is another issue. A fixed payment can arrive exactly as promised and buy less than expected. Treasury Inflation-Protected Securities, or TIPS, adjust principal using changes in the Consumer Price Index. They have their own tax and price behavior, so they should not be treated as ordinary notes or bonds with a different name.

Yield is not the coupon

The coupon rate tells you the interest paid on the security's stated principal. Yield describes return relative to the price paid.

Those numbers may line up near an original auction, but they can separate in the secondary market. A bond with a coupon below current market rates may trade at a discount. A bond with a coupon above market rates may trade at a premium. Paying more than face value for a high coupon does not create a free extra return; the premium changes the yield.

TreasuryDirect's guide to pricing and interest rates explains the auction terms used for bills, notes, bonds, TIPS, and floating-rate notes. When comparing securities, use a yield measure for the same time period and settlement assumptions. Comparing one coupon with another security's annual percentage yield can give the wrong impression.

A quoted yield also says nothing about whether the maturity fits the need. The highest number on a screen can belong to the wrong timeline.

What "marketable" means in practice

TreasuryDirect defines a marketable security as one that can be transferred and sold before maturity. That does not mean the sale price is guaranteed, and the route depends on where the security is held.

A brokerage account usually provides access to Treasury auctions and the secondary market in one place. Fees, markups, bid-ask spreads, account protections, and order handling vary by firm.

TreasuryDirect allows individuals to submit noncompetitive bids at auction. A noncompetitive bidder agrees to accept the rate or yield set by the auction and, under TreasuryDirect's rules, can buy in $100 increments. If a Treasury held there needs to be sold before maturity, TreasuryDirect's selling guide explains that it must first be transferred to a bank, broker, or dealer that can handle the sale.

That extra step matters for money that may be needed without warning. Marketable does not mean instantly spendable.

The tax treatment is similar across the three

TreasuryDirect states that interest from bills, notes, and bonds is subject to federal income tax but not state or local income tax. Notes and bonds generally produce taxable interest each year as coupon payments arrive. Bill interest is associated with the discount earned when the bill matures or is otherwise disposed of, subject to the applicable tax rules.

The state-tax exemption can change a comparison with a bank CD or another taxable fixed-income product. Use the Tax-Equivalent Yield Calculator to test assumptions, then check them against current tax rules. The calculator does not account for every filing situation.

For a term-specific estimate, the CD and Treasury Yield Calculator shows gross interest and a simple after-tax result. The related Treasury bills versus CDs guide covers deposit insurance, early withdrawal, brokered CDs, and renewal risk.

Match the instrument to the date, not the headline

A clean comparison starts with the expected use date.

Money needed within months can be compared with bill maturities around that date. Money assigned to a known expense several years away can be compared with notes of similar length. A 20- or 30-year bond creates a much longer exposure and should not be treated as a slightly extended bill.

Then check the cash flow. Bills make one maturity payment. Notes and bonds pay every six months. Regular coupons may be useful for a planned stream of cash, but each payment creates a smaller reinvestment decision.

Finally, decide whether an early sale is plausible. If the answer is yes, look at price sensitivity and the mechanics of selling from the account. A Treasury can be safe from an issuer-credit perspective while still being a poor place for money that must be available at face value on an uncertain date.

The labels are simple once the clock is clear: bills run up to one year, notes run from two to 10 years, and bonds run for 20 or 30 years. Most of the real comparison follows from that timeline.

Browse the Economy section for more explainers on rates, inflation, and Federal Reserve policy.

Educational only. This article provides general information, not personalized financial, investment, tax, legal, or trading advice.

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