A CD is a savings account where you lock up your money for a set time in exchange for a higher interest rate

A certificate of deposit (CD) is an agreement between you and a bank. You give the bank a sum of money—say $5,000—and promise not to touch it for a fixed period. In return, the bank pays you interest at a rate higher than you would get in a regular savings account. When the time is up, you get your original money back plus the interest earned.

The bank uses your money during that locked period. They lend it out, invest it, or use it to fund their operations. That is why they pay you more than they would for money you could withdraw at any moment. You are giving them certainty—they know exactly how long they have your funds and can plan around it.

The catch is real: if you need the money before the term ends, you pay a penalty. That penalty is usually a certain number of months' worth of interest. On a one-year CD, the penalty might be three months of interest. On a five-year CD, it might be six months. The bank tells you the penalty amount before you open the account, and it is written in the contract.

Key Takeaways

  • You deposit a fixed amount of money and agree not to withdraw it for a set period—typically three months to five years.
  • The bank pays you a fixed interest rate, which is higher than a regular savings account because your money is locked in.
  • If you withdraw before the term ends, you lose some or all of the interest you earned as a penalty.
  • When the term ends, the CD matures and you can withdraw your money without penalty, or roll it into a new CD at the current rate.
  • CDs are insured by the FDIC up to $250,000 per account, so your principal is protected even if the bank fails.

How the interest rate and term length work together

The longer you lock your money away, the higher the interest rate the bank will offer you. A three-month CD might pay 4.5 percent annual interest. A five-year CD from the same bank might pay 5.2 percent. The bank is willing to pay more because they have your money for longer and can make more use of it.

The interest rate is fixed—it does not change during the term. If you open a two-year CD at 5 percent, you will earn 5 percent for the full two years, even if market rates drop to 3 percent or rise to 6 percent. That stability cuts both ways: you are protected if rates fall, but you miss out if rates rise.

Interest compounds at intervals the bank sets—usually daily, monthly, or quarterly. Compounding means you earn interest on your interest. A $10,000 CD earning 5 percent compounded daily will grow slightly faster than one compounded monthly, though the difference is small on shorter terms.

What happens when a CD matures

When your term ends, the CD matures. You now have access to your full balance—principal plus interest—without penalty. The bank will notify you before maturity, usually 10 to 30 days in advance, and tell you what happens next.

You have three main choices. You can withdraw the money and move it elsewhere. You can let the bank automatically roll it into a new CD at the current market rate—this is called auto-renewal, and it happens unless you tell the bank to stop. Or you can move the money to a savings account or money market account at the same bank and earn a lower but more flexible rate.

If the bank auto-renews your CD and you do not want the new one, you have a grace period—usually seven to ten days—to withdraw without penalty. After that grace period ends, you are locked in again and the early withdrawal penalty applies.

Early withdrawal penalties and when they explore

The penalty for withdrawing before maturity is set by the bank and disclosed in your CD agreement. It is always expressed as a number of months of interest. A common penalty on a one-year CD is three months of interest. On a five-year CD, it might be six months.

Here is how the math works: suppose you have a $10,000 CD earning 5 percent annual interest, with a three-month penalty. After six months, you have earned $250 in interest. If you withdraw now, you lose three months of interest—$125—and walk away with $10,125. The bank keeps the $125 penalty.

Some banks offer no-penalty CDs, which let you withdraw your money early without losing interest. The trade-off is a lower interest rate than a standard CD. These exist because some savers value flexibility more than maximum yield.

FDIC insurance and what it protects

Money in a CD is insured by the Federal Deposit Insurance Corporation (FDIC) up to $250,000 per depositor, per bank. This means if the bank fails, the FDIC will pay you back your principal and accrued interest up to that limit. Your CD is one of the safest places to put money because the principal is may provide by federal insurance.

The $250,000 limit applies per bank, not per account. If you have two CDs at the same bank totaling $300,000, only $250,000 is insured. If you have $250,000 at Bank A and $250,000 at Bank B, both are fully insured because they are at different institutions.

Interest accrued but not yet paid counts toward the $250,000 limit. If you have a $245,000 CD that has earned $10,000 in interest, the full $255,000 is covered—but only up to the $250,000 cap, so you would recover $250,000.

CD laddering: spreading money across multiple terms

Some savers use a strategy called CD laddering to balance higher rates with regular access to money. Instead of putting all your funds into one five-year CD, you split the money across five one-year CDs. Each year, one CD matures and you can withdraw or reinvest it.

A ladder gives you flexibility without sacrificing much yield. You are not locked in for five years, but you are earning close to the five-year rate on most of your money. If interest rates rise, you can reinvest the maturing CDs at the new higher rates instead of waiting five years.

Laddering works best when you have a lump sum to invest and do not expect to need the money urgently. It requires discipline—you have to actually reinvest the maturing CDs rather than spend the money.

How CD rates compare to other savings options

CDs typically pay more than regular savings accounts but less than money market accounts or bonds. A regular savings account might pay 0.01 percent. A high-yield savings account might pay 4.5 percent. A one-year CD might pay 5 percent. A five-year CD might pay 5.3 percent.

The trade-off is flexibility. A savings account lets you withdraw anytime. A CD locks your money away. If you need liquidity—the ability to access your money quickly—a savings account is better even if it pays less. If you have money you will not need for several years, a CD pays more for that certainty.

Money market accounts and bonds offer different balances. A money market account lets you write checks and withdraw money but usually requires a higher minimum balance. Bonds are issued by governments or corporations and have their own maturity dates and risks. CDs are simpler and insured, which is why they appeal to savers who want safety and a known return.

Frequently Asked Questions

Can I withdraw money from a CD before it matures?

Yes, but you will pay a penalty. The penalty is a set number of months of interest, which the bank deducts from your balance. The exact penalty depends on the bank and the CD term. Some banks offer no-penalty CDs that let you withdraw without losing interest, but they pay a lower rate.

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

A savings account lets you deposit and withdraw money anytime with no penalty. A CD locks your money for a set term and pays a higher interest rate in exchange. If you withdraw early from a CD, you lose interest. Savings accounts are more flexible; CDs pay more.

Do I have to pay taxes on CD interest?

Yes. CD interest is taxable income in the year it is earned or credited to your account, depending on how the bank reports it. The bank will send you a 1099-INT form at tax time showing how much interest you earned. You report this on your tax return.

What happens if I do not withdraw my money when the CD matures?

Most banks automatically roll your CD into a new one at the current market rate unless you tell them to stop. You usually have a grace period of 7 to 10 days after maturity to withdraw without penalty. After that, you are locked in again.

Is my money safe in a CD if the bank fails?

Yes. The FDIC insures CDs up to $250,000 per depositor per bank. If the bank fails, the FDIC will pay you back your principal and accrued interest up to that limit. Your CD is one of the safest places to put money.