A fixed savings account locks your money away for a set time in exchange for a higher interest rate
A fixed savings account (also called a certificate of deposit or CD) is an agreement between you and a bank or credit union: you give them a lump sum of money, they promise to hold it untouched for a specific period—usually three months to five years—and in return they pay you a fixed interest rate that does not change. The bank uses your money during that time to make loans and investments, which is why they pay you more interest than a regular savings account offers.
The core trade-off is simple: you get a better rate, but you cannot touch the money without a penalty. If you withdraw before the term ends, the bank deducts an early withdrawal fee, which typically wipes out some or all of the interest you earned. The longer you agree to lock the money away, the higher the interest rate usually is.
Fixed accounts are straightforward because nothing changes during the term. Your rate stays the same whether market rates go up or down. You know exactly how much you will have when the term ends—the math is fixed from day one.
Key Takeaways
- You deposit a lump sum, agree to leave it untouched for a set term (three months to five years), and receive a fixed interest rate that does not change.
- The bank pays you more interest than a regular savings account because they can count on having your money for the full term.
- Withdrawing early triggers a penalty fee that usually reduces or eliminates your earnings, so only use a fixed account for money you will not need.
- When your term ends, the account matures and you can withdraw your money and interest, or roll it into a new fixed account at the current rate.
- Fixed accounts are insured by the FDIC (at banks) or NCUA (at credit unions) up to $250,000, so your principal is protected even if the institution fails.
How the interest rate and term length work together
Banks set their fixed account rates based on how long you commit to locking up your money. A three-month term might pay 4.5 percent annual interest, while a five-year term might pay 5.2 percent. The longer the term, the higher the rate—because the bank gets more certainty and more time to use your money.
The interest rate is fixed, meaning it does not move. If you open a one-year account at 5.0 percent and market rates drop to 3.0 percent next month, you still earn 5.0 percent for the full year. If rates climb to 6.5 percent, you still earn 5.0 percent. This is the security of a fixed account: you know your return before you deposit a dollar.
Interest is usually compounded daily or monthly and added to your balance. When the term ends, you receive your original deposit plus all the interest earned. For example, a $10,000 deposit at 5.0 percent annual interest for one year grows to $10,500.
What happens when your term ends
When your fixed account reaches its maturity date, the bank sends you a notice (usually 10 to 30 days before). At that point you have three choices: withdraw the money, let it roll into a new fixed account at the current rate, or move it somewhere else.
If you do nothing, many banks automatically roll your balance into a new fixed account with the same term length at whatever rate they are offering that day. This is called auto-renewal. If rates have dropped, you will earn less on the new term. If you want to avoid this, you must contact the bank before the maturity date and tell them what you want to do.
Some banks offer a grace period—usually 7 to 10 days after maturity—during which you can withdraw without penalty. After that window closes, if you withdraw before the new term ends, the early withdrawal penalty kicks in again.
Early withdrawal penalties and when they apply
If you need your money before the term ends, the bank charges an early withdrawal penalty. The size of the penalty varies by institution and term length. A three-month account might charge 30 days of interest; a five-year account might charge 150 days of interest or a flat fee like $25 to $50.
The penalty is deducted from your balance, not charged separately. If you earned $200 in interest but the penalty is $250, you get back your original deposit minus $50. In short terms, you might lose money by withdrawing early.
Before you open a fixed account, ask the bank what the early withdrawal penalty is. It is usually listed in the account agreement or on the product page. If you think there is any chance you will need the money, a regular savings account is safer, even if the rate is lower.
How much interest you actually earn
The amount you earn depends on three things: how much you deposit, what the interest rate is, and how long the money sits. Banks usually quote rates as APY (annual percentage yield), which accounts for compounding.
Here is a concrete example: $5,000 at 4.75 percent APY for two years earns about $491 in interest, leaving you with $5,491 when the term ends. The same $5,000 at 3.0 percent for two years earns about $305. The difference—$186—is why shopping around for rates matters, especially on larger amounts or longer terms.
Interest rates change constantly. When you are ready to open a fixed account, check rates at several banks and credit unions. A difference of 0.5 percent might seem small, but on a $25,000 deposit over three years, it adds up to several hundred dollars.
FDIC and NCUA insurance protection
Fixed accounts held at banks are insured by the FDIC (Federal Deposit Insurance Corporation) up to $250,000 per depositor, per bank. Fixed accounts at credit unions are insured by the NCUA (National Credit Union Administration) with the same $250,000 limit. This means if the bank or credit union fails, your money and interest are protected.
The insurance covers your principal and accrued interest. If you have $100,000 in a fixed account and the bank closes, you get your $100,000 back plus any interest earned up to the maturity date or the date of closure, whichever comes first.
If you want to protect more than $250,000, you can open accounts at different banks or credit unions. Each institution's accounts are insured separately. You can also open accounts in different ownership categories (individual, joint, retirement) at the same bank and each is insured separately.
Fixed accounts versus regular savings accounts and money market accounts
A regular savings account has no term and no penalty for withdrawal. You can take money out anytime, but the interest rate is usually lower—often 0.01 to 1.0 percent—and it can change at any time. A fixed account pays more but locks your money away.
A money market account sits in the middle. It usually pays more than a regular savings account but less than a fixed account, has no set term, but may limit how many withdrawals you can make per month. It is a good choice if you want flexibility and a better rate but do not want to commit to a fixed term.
Choose a fixed account if you have money you will not need for several months or years and want the highest rate. Choose a regular savings account if you need access to your money or are not sure when you will need it. Choose a money market account if you want a middle ground.
Frequently Asked Questions
Can I withdraw my money before the term ends?
Yes, but the bank will charge an early withdrawal penalty that reduces your earnings. The penalty size depends on the term length and the bank's rules. Before opening an account, ask what the penalty is so you know the cost of early access.
What happens if I do not withdraw when my term ends?
Most banks automatically roll your money into a new fixed account at the current rate for the same term length. You will receive notice before this happens. If you want to avoid auto-renewal, contact the bank before the maturity date and tell them your choice.
Is my money safe in a fixed account?
Yes. Fixed accounts at banks are insured by the FDIC up to $250,000, and accounts at credit unions are insured by the NCUA up to $250,000. Your principal and interest are protected even if the institution fails.
Do I pay taxes on the interest I earn?
Yes. Interest from a fixed account is taxable income in the year it is earned or credited to your account. The bank will send you a 1099-INT form if you earn $10 or more in interest. Report this on your tax return.
Should I open a fixed account if interest rates are rising?
If rates are climbing, a shorter term (three to six months) lets you reinvest at higher rates sooner. A longer term locks in the current rate but you miss out if rates go higher. There is no perfect answer—it depends on your predictions and how much certainty you want.