What a Certificate of Deposit Is

A Certificate of Deposit (CD) is a savings account where you agree to leave money untouched for a set period — usually three months to five years — in exchange for a fixed interest rate. Banks and credit unions offer CDs as a way to borrow your money for a predictable time. You deposit a lump sum, the institution holds it, and at the end of the term you get your original money back plus the interest earned.

CDs differ from regular savings accounts because the interest rate is locked in from day one and does not change, even if the bank raises or lowers rates later. The tradeoff is that you cannot withdraw the money early without paying a penalty — usually a loss of some or all of the interest you would have earned, or sometimes a percentage of the principal itself.

Key Takeaways

  • A CD locks your money away for a fixed term in exchange for a may provide interest rate that does not change.
  • Early withdrawal penalties vary by bank and term length, and can wipe out your interest or cost you part of your deposit.
  • CD rates are higher than regular savings accounts because the bank knows exactly how long it can use your money.
  • The Federal Deposit Insurance Corporation (FDIC) insures CDs up to $250,000 per depositor per bank, the same as regular savings accounts.
  • CDs work best for money you know you will not need for several months or years and want to protect from spending.

How Interest Rates and Terms Work

When you open a CD, the bank tells you the annual percentage yield (APY) — the rate of interest you will earn — and the maturity date when the term ends. A three-month CD might offer 4.5% APY, while a five-year CD might offer 5.2% APY. The longer you lock your money away, the higher the rate is usually offered, because the bank has more certainty about how to use the funds.

Interest compounds, meaning you earn interest on your interest. A $10,000 CD at 5% APY for one year will grow to $10,500. The exact compounding schedule — daily, monthly, or at maturity — depends on the bank's terms. Some banks compound daily and credit interest monthly; others compound only at the end of the term. This matters slightly for very large deposits or long terms, but the difference is usually small.

When the CD matures, the bank sends you the full amount plus interest. You then have a choice window — usually seven to ten days — to either withdraw the money or roll it into a new CD at whatever rate the bank is offering at that time. If you do nothing, many banks automatically renew the CD at the current rate, which may be higher or lower than what you had.

Early Withdrawal Penalties and When They Apply

If you need the money before the maturity date, you will pay a penalty. The size of the penalty varies widely by bank and by the CD's term. A three-month CD might charge three months of interest as a penalty; a five-year CD might charge one year of interest or even a percentage of the principal. Some banks charge a flat fee instead. You need to read the specific terms before you open the account.

The penalty is deducted from your total payout. If you have a $10,000 CD earning $500 in interest over two years, and you withdraw after one year, the bank might charge you $250 in penalties. You would receive $10,250 instead of $10,500. In worst cases, if you withdraw very early from a long-term CD, the penalty can exceed the interest earned, meaning you get back less than your original $10,000.

Some banks offer "no-penalty CDs" that let you withdraw early without a penalty, but these come with lower interest rates to compensate. A no-penalty CD might pay 3.5% APY while a standard CD pays 5.2% APY. The choice depends on whether you value flexibility or the higher rate more.

FDIC Insurance and Safety

The Federal Deposit Insurance Corporation (FDIC) insures CDs the same way it insures regular savings accounts: up to $250,000 per depositor per bank. This means if the bank fails, you get your money back up to that limit, even if the bank cannot pay it. This protection applies whether the CD is at a traditional bank or an online bank, as long as the bank is FDIC-insured.

If you have more than $250,000 to deposit, you can open CDs at multiple banks to stay within the insurance limit at each one. Some people also use different account ownership structures — for example, a CD in your name and a separate CD in a joint account with a spouse — to increase their coverage, since each structure is insured separately up to $250,000.

CD Ladders and How to Use Them

A CD ladder is a strategy where you open multiple CDs with different maturity dates so that money becomes available at regular intervals. For example, you might open five $2,000 CDs with one-year, two-year, three-year, four-year, and five-year terms. After one year, the first CD matures and you can withdraw or reinvest it. After two years, the second one matures, and so on.

Laddering lets you take advantage of higher long-term rates while still having access to some of your money each year. When a CD matures, you can roll it into a new five-year CD, keeping the ladder going. This approach works well if you have a lump sum to invest and want both safety and some liquidity without paying early withdrawal penalties.

Where to Find CDs and How Rates Compare

Banks, credit unions, and online financial institutions all offer CDs. Rates vary significantly. A traditional brick-and-mortar bank might offer 3.5% APY on a one-year CD, while an online bank might offer 5.0% APY for the same term. Credit unions sometimes offer competitive rates to their members. Shopping around is worth the time because a difference of 1% on a $10,000 CD over one year means $100 in additional earnings.

Websites that compare CD rates across institutions can help you see what is available, though you will need to visit each bank's website to confirm current rates and exact terms. Rates change frequently, sometimes weekly, so a rate you see today may not be available tomorrow. When you find a CD you want, you typically open it online or by phone and fund it through a bank transfer or check deposit.

CDs Versus Other Savings Options

CDs pay more interest than regular savings accounts or money market accounts because you give up access to your money. A high-yield savings account might pay 4.0% APY with no withdrawal restrictions; a CD for the same term might pay 5.0% APY but charge a penalty if you withdraw early. The extra 1% is the price of that flexibility.

CDs also differ from bonds and stocks. Bonds are loans you make to a government or company and can be sold before maturity; CDs are held by the bank and cannot be transferred. Stocks represent ownership and their value changes daily; CDs have a fixed value and fixed return. CDs are lower-risk than stocks but offer lower potential returns. They are best for money you want to protect and grow modestly without taking on investment risk.

Frequently Asked Questions

Can I withdraw money from a CD before it matures?

Yes, but you will pay a penalty set by the bank. The penalty is usually several months of interest or a percentage of your deposit. Some banks offer no-penalty CDs that let you withdraw without a fee, but these pay lower interest rates. Check your bank's specific terms before opening the account.

What happens when my CD reaches maturity?

The bank sends you your principal plus interest. You then have a window — usually seven to ten days — to withdraw the money or roll it into a new CD. If you do nothing, many banks automatically renew it at the current rate, which may be different from your original rate.

Are CDs safe if the bank fails?

Yes. The FDIC insures CDs up to $250,000 per depositor per bank. If the bank fails, you get your full amount back up to that limit. Online banks and credit unions have similar protections through the FDIC or the National Credit Union Administration (NCUA).

How do I know what CD rate to expect?

Rates depend on the bank, the term length, and current economic conditions. Longer terms usually pay higher rates. Online banks typically pay more than traditional banks. Compare rates across several institutions before deciding, and check that the bank is FDIC-insured.

Is a CD a good place to put money I might need soon?

No. CDs work best for money you will not need for months or years. If you might need the money within a few months, a high-yield savings account is better because you can withdraw without penalty. The higher CD rate is not worth the early withdrawal cost if you are uncertain about your timeline.