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How the three options differ
| Option | Rate and term | Access | Taxes and protection |
|---|---|---|---|
| Savings account | The rate may change. Check the account’s current disclosed rate and terms; there is no universal savings rate or reset schedule. | Often chosen for access to funds. Check current withdrawal and transfer rules, minimum-balance requirements, and fees. | Interest is generally taxable. Eligible deposits at an FDIC-insured bank are generally covered up to $250,000 per depositor, per bank, per ownership category, subject to coverage rules and aggregation of accounts. FDIC deposit insurance; IRS, Tax Topic 403. |
| Certificate of deposit (CD) | A bank or credit union agrees to a stated rate and term. Terms and offers vary, so compare the specific account. | Withdrawing before maturity generally incurs a penalty. Match the term to when you expect to need the money and read the account agreement. | Interest is generally taxable. Bank CDs are FDIC-insured and credit-union CDs are NCUA-insured, generally up to $250,000 subject to coverage rules and aggregation. CFPB, What is a certificate of deposit (CD)?; FDIC deposit insurance; IRS, Tax Topic 403. |
| Treasury bill | Treasury bills have terms from four weeks to 52 weeks. The rate is fixed at auction; bills are sold at a discount or at par, and the difference between the purchase price and face value is paid at maturity. | TreasuryDirect lists a $100 minimum purchase in $100 increments. You can hold a bill to maturity or sell it earlier; the price available before maturity is not guaranteed. At maturity, the rate lock ends and reinvestment is at then-available terms. | Interest is subject to federal income tax but exempt from state and local income taxes. Treasury bills are not FDIC-insured; the FDIC identifies them as backed by the full faith and credit of the U.S. government. TreasuryDirect, Treasury bills; FDIC deposit insurance; IRS, Tax Topic 403. |
What a rate decline would mean
Savings account: access, but no guaranteed rate
A savings account can be useful when you may need the money before a set maturity date. Its current rate does not promise what you will earn later: verify the account disclosure for how the rate can change. The sources cited here do not establish a particular account’s reset formula or predict future rates.
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CD: contracted rate through the term
A CD held to maturity keeps its contracted rate for the agreed term, subject to the deposit agreement. That can provide a defined period of rate certainty if market rates fall, but early withdrawal generally brings a penalty. The CFPB recommends comparing the CD’s term, interest rate, and early-withdrawal penalty before choosing one. CFPB, What is a certificate of deposit (CD)?
Treasury bill: rate certainty only until maturity
A bill held to maturity pays its face value; its discount is set at auction. That fixes the bill’s return mechanics for the bill’s term, not for money reinvested afterward. If rates are lower at maturity, a new bill may offer a lower rate. Selling early is possible, but the eventual sale price is not guaranteed by TreasuryDirect’s cited description.
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None of these mechanics establishes that rates will fall. Choose based on the rate and access terms available to you, not on treating a forecast as certain.
Compare the details before choosing
- Check the rate and its duration. For a savings account, review the current disclosed rate and conditions. For a CD, compare the stated rate and term. For a Treasury bill, check the auction yield and maturity; the rate is fixed at auction.
- Set the date you may need the money. Keep likely near-term needs out of a term you cannot comfortably hold. Compare that date with the CD or bill maturity.
- Read the access and exit terms. Confirm savings-account withdrawal and transfer rules, CD early-withdrawal penalties, and the uncertainty of a Treasury bill’s sale price before maturity.
- Compare after-tax returns. Interest is generally taxable for savings accounts and CDs. Treasury bill interest is federally taxable but exempt from state and local income taxes. Your individual tax outcome depends on your circumstances.
- Verify protection and coverage. Check how FDIC or NCUA coverage applies to your deposits and ownership categories. Treasury bills are not FDIC-insured; the FDIC describes them as backed by the full faith and credit of the U.S. government.
Use rate averages only as dated context
On March 16, 2026, the FDIC reported national averages of 0.39% for savings accounts, 1.28% for three-month CDs, 1.47% for six-month CDs, and 1.52% for 12-month CDs. These are dated national averages—not current offers, forecasts, or recommendations. Check institutions’ current rates, fees, and terms before making a decision. FDIC, National Rates and Rate Caps
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