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Banking

What is a certificate of deposit (CD) and how does it work?

CDs guarantee a return but they come with unique restrictions.

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Certificates of deposit, commonly referred to as CDs, are deposit accounts that earn a fixed interest rate over a set term.

While some CDs offer higher APYs, there are penalties for touching the funds before the term ends. There are also other requirements, so it's important to read the fine print before you open a CD.

Find the right CD and save

How CDs work

Money in a CD earns a fixed interest rate for a specific amount of time. Term lengths range from three months to five years, though some banks offer 10-year CDs. Typically, the longer the term, the higher the APY.

There is a tradeoff: In most cases, you can't access the funds before your term ends without paying an early withdrawal penalty. That penalty varies, but it's usually based on the interest you would have earned over a certain number of days or months.

Unlike high-yield savings accounts, which have variable APYs, CDs are locked into the rate they had when you opened the account. That's a good thing if interest rates drop after you opened the account. But if they go up, you could miss out.

CDs usually don't have monthly fees and they are FDIC-insured, making them a safe investment vehicle.

In most cases, savers can't make additional contributions to their CD during the term. There are add-on CDs, however, that allow you to make additional contributions throughout the term at the same locked-in interest rate. 

When the term has ended, or the CD "matures," you can withdraw your deposit and any interest you've earned or roll over the funds into a new CD. Most banks will automatically roll your maturing CD into a new one if you don't give specific instructions.

When to open a CD

Putting money in a savings account can help you plan for milestone financial moves, such as buying a new car or putting a down payment on your first home. But that money is still easily available, leaving the temptation to withdraw funds for other reasons.

If you are serious about a medium- or long-term financial goal, opening a CD offers a higher interest rate than a savings account and greater protection against making early withdrawals. However, this also means it's not a great option if you don't have a robust emergency fund, and may be surprised by unexpected expenses.

Because the APY on a CD is fixed, your money will grow predictably without the volatility of the stock market.

Build your emergency fund with a high-yield savings account

Types of CDs

When shopping for a CD, there are a lot of variables to consider, including the APY, term and minimum deposit. Beyond that, there are actually different types of CDs, though not all institutions offer every kind.

Traditional CD: A standard certificate of deposit with a fixed interest rate and a set term. Savers agree to leave the funds untouched until maturity or face early-withdrawal penalties.

High-yield CD: These CDs earn above-average interest rates, more than double the national average in some cases. Typically, high-yield CDs are offered by online-only institutions.

Jumbo CD: In return for a higher rate, these CDs require a large minimum deposit, often at least $50,000.

Bump-up CD: If a bank's CD rates increase, savers with a bump-up CD can request a higher rate before maturity.

Add-on CD: Unlike most CDs, savers can deposit more money after opening their account.

No-penalty CD: Money can be withdrawn before the term ends without penalty, usually after a brief lock-in period.

Brokered CD: Because these are purchased through a brokerage firm, you can access CDs from many banks (with potentially higher rates) and trade them on a secondary market before maturity. That means they have a greater risk, however.

IRA CD: An independent retirement account in which all the funds are invested in certificates of deposit (CDs). It's a low-risk option that combines the stability of a CD with the tax advantages of an IRA.

Pros and cons of CDs

CDs are popular savings options, but they do have drawbacks.

Pros of CDs

  • Fixed rate means predictable earnings
  • Higher return than a traditional savings account
  • Can choose terms ranging from a few months to ten years

Cons of CDs

  • Typically can't touch funds until the term ends without paying a penalty
  • Usually cannot add funds once the account is opened
  • Lower returns than stocks or mutual funds
  • Fixed rates might not beat inflation over time

FAQs

The rate for a certificate of deposit is the amount of interest it earns for the account holder, expressed as an annual percentage yield (APY). Unlike traditional and high-yield savings accounts, CD rates are fixed, providing predictable earnings.

Unlike some savings accounts, CDs typically have no monthly fees. In most cases, however, you will have to pay a penalty if you withdraw funds before the CD matures. Some CDs also require a minimum deposit to open.

There are CDs with 10-year terms, mostly offered by online banks. While they provide a guaranteed return with no risk, the market historically delivers much better returns over the same period.

Banks offering CDs are FDIC-insured, so there's no risk of losing your money up to the $250,000 limit per account holder. You can lose interest or pay a penalty if you withdraw funds before your CD matures. In addition, the value of a brokered CD can drop below the purchase price if it's sold on the secondary market.

Interest accrued on a CD is taxed as ordinary income. You must report the interest on your tax return for any account earning over $10 in one year.

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Why trust CNBC Select?

At CNBC Select, our mission is to provide our readers with high-quality service journalism and comprehensive consumer advice to help them make informed financial decisions. Every CD list is based on rigorous reporting by our team of expert writers and editors with extensive knowledge of banking and savings products. While CNBC Select earns a commission from affiliate partners on many offers and links, we create all our content without input from our commercial team or any outside third parties, and we pride ourselves on our journalistic standards and ethics.

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What Is a Certificate of Deposit (CD) and How Does It Work?

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