The Core Features of a CD

A Certificate of Deposit has three things that set it apart from a regular savings account: a fixed interest rate, a set maturity date, and a penalty if you withdraw early. The bank agrees to pay you a specific rate of interest on your money, but you agree to leave that money untouched until a date the bank names at the start. If you take the money out before that date arrives, the bank charges you a penalty — usually a certain number of months' worth of interest.

The maturity date is the day your CD "matures," meaning the term is over. On that day, the bank returns your original deposit plus all the interest you earned. The maturity date is set when you open the CD and does not change. Common terms are three months, six months, one year, two years, and five years, though banks offer other lengths too.

Because you are committing to leave your money alone for a set period, banks reward you with a higher interest rate than you would get in a savings account. The longer the term, the higher the rate is usually — a five-year CD typically pays more than a one-year CD at the same bank.

Key Takeaways

  • A CD locks in a fixed interest rate for a set period, ranging from a few months to several years.
  • You cannot withdraw the money before the maturity date without paying an early withdrawal penalty, usually measured in months of interest.
  • When the CD matures, the bank returns your deposit and all earned interest, and you can then move the money or open a new CD.
  • The interest rate on a CD does not change during the term, even if the bank raises or lowers rates for new CDs.
  • CDs are FDIC-insured at most banks, meaning your deposit is protected up to the insurance limit if the bank fails.

How the Interest Rate Works

The interest rate on your CD is fixed — it stays the same from the day you open it until it matures. If you open a one-year CD at 4.5 percent, you will earn 4.5 percent for the entire year, even if the bank raises its rates to 5 percent next month. This is different from a savings account, where the rate can change at any time.

The bank calculates your interest based on the amount you deposit and the rate it promised. Most banks compound the interest daily or monthly, meaning they add earned interest back into your account, and then you earn interest on that interest too. The exact compounding schedule varies by bank, so check your CD agreement to see how often interest is added.

When your CD matures, the bank deposits the full amount — your original deposit plus all the interest — into your account. You then own that money outright and can withdraw it, move it to another account, or open a new CD.

The Early Withdrawal Penalty

If you need your money before the maturity date, you can withdraw it, but the bank will charge you a penalty. The penalty is usually a set number of months of interest. For example, a CD might have a three-month interest penalty, meaning if you withdraw early, the bank subtracts three months' worth of interest from what you receive.

The penalty amount depends on the CD's term and the bank's rules. A short-term CD (like three or six months) might have a one-month penalty, while a longer-term CD (like five years) might have a six-month or one-year penalty. Some banks have different penalty structures, so always read the terms before you open a CD.

The penalty is deducted from your interest earnings first. If you have not earned enough interest to cover the full penalty, the bank takes the difference from your original deposit. This is why early withdrawal can cost you money even if you have only held the CD for a short time.

FDIC Insurance and Safety

Most CDs at banks are insured by the FDIC (Federal Deposit Insurance Corporation), a government agency that protects deposits if a bank fails. FDIC insurance covers up to $250,000 per depositor, per bank, per account type. This means if you open a CD with $50,000 at a bank that later fails, the FDIC will return your $50,000 plus any interest earned.

If you have multiple CDs at the same bank, they are usually counted together toward your $250,000 limit. However, if you open a CD at a different bank, that CD has its own $250,000 protection. Some account types — like CDs held in a trust or in a retirement account — have separate insurance limits, so if you are holding large amounts, check with your bank about how your CDs are covered.

Credit unions offer a similar protection called NCUA insurance, which also covers up to $250,000 per member per institution. Always confirm that the institution where you open a CD is FDIC-insured or NCUA-insured before you deposit your money.

What Happens When Your CD Matures

When your maturity date arrives, your CD stops earning interest. The bank then gives you a window — usually 7 to 10 days — to decide what to do with the money. During this window, you can withdraw the full amount, move it to another account, or open a new CD at the same bank or elsewhere.

If you do nothing during the grace period, many banks will automatically renew your CD into a new term at the current rate the bank is offering. This means your money stays locked up for another full term. If you do not want this to happen, you must contact the bank before the grace period ends and tell them to return your money instead.

Some banks notify you by mail or email when your CD is about to mature, but not all do. If you have a CD maturing soon, contact your bank directly to confirm the maturity date and ask about their renewal policy so you are not surprised.

Different Types of CDs

Most banks offer standard CDs with fixed rates and fixed terms, but some offer variations. A no-penalty CD lets you withdraw your money before maturity without paying a penalty, though the interest rate is usually lower than a standard CD. A bump-up CD lets you request a rate increase once during the term if the bank raises its rates. A step-up CD automatically increases your rate at set points during the term.

Some banks also offer jumbo CDs, which require a larger minimum deposit (often $100,000 or more) and may pay a higher rate. Promotional CDs are offered for short periods at higher-than-usual rates to attract new customers. These variations exist because banks compete for deposits, but the basic structure — a fixed rate, a maturity date, and a penalty for early withdrawal — remains the same.

Before opening any CD, compare the rate, the term, the penalty amount, and any special features across banks. A slightly higher rate on a longer term might not be worth it if you think you will need the money sooner.

How a CD Differs From Other Savings Products

A CD is different from a savings account because you cannot touch the money without a penalty. A savings account has no maturity date and no penalty for withdrawal, but it usually pays a much lower interest rate. A money market account sits in the middle — it pays more than a savings account but less than a CD, and it lets you write checks or make a limited number of withdrawals per month.

A CD is also different from a bond, even though both lock up your money for a set time. A bond is a loan you make to a company or government, and you can usually sell it before maturity if you need the money (though you might get less than you paid). A CD is a contract with a bank, and early withdrawal means a penalty, not a sale.

If you know you will not need the money for a specific period and want a may provide return, a CD is simpler and safer than a bond. If you might need the money sooner, a savings account or money market account is more flexible, even if the rate is lower.

Frequently Asked Questions

Can I withdraw money from a CD before it matures?

Yes, you can withdraw money anytime, but the bank will charge an early withdrawal penalty. The penalty is usually a set number of months of interest. For example, if your CD has a three-month penalty and you withdraw after six months, the bank subtracts three months of interest from what you receive. Check your CD agreement to see the exact penalty for your account.

What is the difference between a CD and a savings account?

A savings account has no maturity date and no penalty for withdrawal, but it pays a lower interest rate. A CD locks your money for a set term and pays a higher rate, but you pay a penalty if you withdraw early. Choose a savings account if you might need the money soon, and a CD if you can leave it alone for months or years.

Do I have to renew my CD when it matures?

No. When your CD matures, you can withdraw the money, move it to another account, or open a new CD. If you do nothing, many banks will automatically renew it into a new term at their current rate. Contact your bank before the maturity date if you do not want automatic renewal.

Is my money safe in a CD?

Yes, if your bank is FDIC-insured. The FDIC protects deposits up to $250,000 per depositor per bank. If the bank fails, the FDIC returns your deposit plus interest. Check your bank's website or call to confirm it is FDIC-insured before you open a CD.

Why would I choose a CD over a savings account if I can get my money out anytime?

A CD pays a higher interest rate because you commit to leaving the money alone. If you have money you will not need for several months or years, a CD earns you more interest. If you might need the money sooner, the higher rate is not worth the penalty risk, and a savings account is the better choice.