How does a CD work? | CD rates explained | Fidelity (2024)

If you’re looking for a low-risk and predictable way to earn money on your cash savings, then a certificate of deposit, or CD, might be music to your ears. CDs allow you to lock in an interest rate on your savings, generating you extra income on that cash. Here’s a breakdown of how CDs work, how CD rates work, and how to buy CDs.

How does a CD work?

Think of a CD as a higher-commitment savings account, held at a bank, with a fixed interest rate. You agree not to touch your deposit for a specific period, in exchange typically for a higher return than a standard savings account.

There are 2 main types of CDs—bank CDs and brokered CDs—each of which works slightly differently.

How does a bank CD work?

A common way to buy CDs is directly through a bank. With a bank CD, you deposit funds directly into a bank for a set period, and in return, that bank offers to pay interest on your deposit at a set rate. Different banks offer different rates, so it may be helpful to shop around to find the most competitive rate before you buy a CD. Bank-issued CDs are not tradeable, meaning that when you buy a CD directly from a bank, you’re locked into that contract: either seeing the deposit through to its maturity, or taking on any fees or forfeiting interest payments for withdrawing your money early.

How does a brokered CD work?

You can also buy CDs from brokerages. These are called (as you might guess) brokered CDs. Instead of working directly with a bank, a brokerage like Fidelity sells you the brokered CD, which allows you to shop dozens if not hundreds of different CDs through your brokerage rather than going to multiple individual bank websites to find the best interest rate.

Similar to a bank CD, if you hold a new issue brokered CD to maturity, you’ll receive back your principal and interest. Unlike bank CDs, though, you can trade brokered CDs prior to maturity. But because brokered CDs are tradeable assets, there’s a current market price attached to them, aka the approximate money you could receive for selling that CD right now. That market price isn’t necessarily the exact same as the value of the money in the CD plus its interest rate. Instead, it’s determined by current market interest rates (compared to the interest rate on the CD), the “liquidity” (the demand and supply conditions for that CD), the time left until the CD’s maturity, and wider economic conditions. While you can sell a brokered CD before its maturity date, you’ll likely lose part of your original investment due to trading costs. That’s why it’s important to chose a CD you can commit to for the entire investment period and simply let it mature and receive the full return of your principal plus interest.

That’s a lot to digest, so here’s a quick cheat sheet.

Note that in some circumstances, you may be able to leave a bank CD before maturity, but early withdrawal penalties may apply.

What are CD rates?

CD rates are the interest rates that banks offer on a CD. It’s the profit you’ll make—a percentage of your total deposit—for buying and holding the CD for a specified amount of time called the "term length." For example, if you bought a $1,000 CD with a rate of 3% and a term length of 1 year, you’d receive back your principal ($1,000) plus money made from interest ($1,000 x .03 = $30) after 1 year has elapsed if you don’t withdraw early.

Most CDs’ rates are predetermined and fixed over the term length of the CD. That’s why CDs are called a fixed income investment—because once you buy a CD, the interest rate won’t change. Regardless of whether you have a bank CD or a brokered CD, you’re entitled to the principal plus the interest income at the maturity date.

Keep in mind that CD rates are annualized, meaning they present the return you’d receive on your principal over a year, even if your CD maturity length is only a couple months or multiple years.

How do CD rates work?

A CD’s rate is determined by many different factors, but here are the 2 that have the largest impact.

1. Term length of your CD

The term length of a CD is the timeframe from when you buy the CD to when you receive back your principal plus interest. Generally, but not always, the longer the CD term, the higher the rate—you agree to have your dollars locked up for a longer time, and, in exchange, the bank rewards you with a higher interest payout. In investor speak, the bank offers you additional income for getting to hang onto your deposit for longer and for the risk you assume that interest rates will rise later. However, when people believe interest rates are higher now than what they’ll be in the months ahead, you might not get a higher rate for keeping your money tied up in a CD longer, so check the rate associated with each term length carefully.

2. Market rates

In the US and other markets, there’s an average cost of lending called the market interest rate. Banks set the rate of CDs based on the market interest rate. So if market interest rates rise, the rates of new CD contracts rise, and vice versa.

If you bought a brokered CD, you may notice that the price of that CD changes. This price reflects the estimated current market price of your CD or the price you’d get if you sold your CD today. That price is largely determined by the current market interest rates, among other factors. But remember, these price fluctuations don’t impact the terms of your CD, only the price if you were to sell the CD before it fully matures. You can always hold a CD you bought as a new issue to maturity to collect your par value (the face value of the CD) plus interest. If you buy a CD on the secondary market at a premium you will not get your principal back at maturity.

Brokered CDs trade on the secondary market somewhat like bonds do. Although brokered CDs can be held to maturity to receive par value, they can also be traded before maturity at a rate determined by the current market rates. When interest rates rise, the prices of existing CDs with lower rates (and therefore paying less interest) will fall. Because who would want to pay full price for a CD with a lower interest rate than what someone could get buying a new CD? When interest rates on new CDs fall, though, existing CDs with higher rates have higher market prices. Keep in mind too that because the secondary CD market is not very liquid, if you sell before maturity, you are likely to lose money.

Let’s walk through an example. Say you’re holding a brokered CD that you bought with an interest rate of 3%, and 6 months later, market interest rates increase to 4%. The market value of your CD would go down. That’s because an investor could now receive a higher return on their investment by buying a new CD, of a similar maturity date, in the market than buying your CD with the 3% interest rate you’re locked into. Conversely, if you bought a CD with an interest rate of 3% and market rates decrease to 2%, the market value of your CD would rise because your CD contract rate is better than what an investor could now get in the market. Investors often refer to this pricing effect as the "bond seesaw," because an increase or decrease in interest rates has an inverse effect on the price of a bond or CD.

How to buy CDs

Buying bank CDs and brokered CDs are slightly different processes. Here’s a breakdown of the steps to buy either kind of CD.

How to buy bank CDs

  1. Choose a bank: It could be easiest to see if your current bank offers CDs. Or you could look for banks with the best CD rates for your timeframe.
  2. Select your CD: You’ll want to pick a term length that aligns with your financial goals and current savings. Remember, the only way to access your cash prior to maturity would be to incur an early withdrawal penalty, so you’ll be saying “see you later” to this money until that maturity date.
  3. Set your renewal preference: Some banks automatically reinvest the money from your CD plus interest earned once your CD reaches maturity. Double-check how your renewal preferences are set up in case you don’t want your cash reinvested.

How to buy brokered CDs

  1. Choose a brokerage: To buy a brokered CD, you need an account that has CD trading capabilities (like an IRA or brokerage account) at a brokerage firm. Research whether your brokerage imposes any fees or commissions for trading CDs. If you’re investing small amounts, commissions could significantly eat into your return.
  2. Review options: Typically, brokerages offer CDs from many different banks with varying rates. Look at a variety of choices within your desired timeframe to lock in the best rate for your dollars.
  3. Make a trade/purchase: It’s go time. Once you’ve confirmed the CD term length and the amount you want to invest, execute the trade or buy your CD.
  4. Set renewal options: Brokered CDs do not automatically renew into a new security; instead, the CD’s interest plus principal are automatically paid into your cash core position. However, some financial institutions have services that help you re-invest those dollars after your CD matures. At Fidelity, we have an auto roll service that allows you to automatically reinvest into a new CD that meets your criteria once your position reaches maturity.
How does a CD work? | CD rates explained | Fidelity (2024)

FAQs

How does a CD work? | CD rates explained | Fidelity? ›

Think of a CD as a higher-commitment savings account, held at a bank, with a fixed interest rate. You agree not to touch your deposit for a specific period, in exchange typically for a higher return than a standard savings account.

How does a CD work for dummies? ›

CDs are open for a term. A term is how long you'll keep money in an account and earn a fixed interest rate. For example, if you open a 1-year term, you would earn the same interest rate for 12 months. Most financial institutions offer traditional CDs for terms between six months and five years.

How much does a $10,000 CD make in a year? ›

Earnings on a $10,000 CD Over Different Terms
Term LengthAverage APYInterest earned on $10,000 at maturity
1 year2.62%$265.17
18 months2.22%$338.29
2 years2.08%$424.40
3 years1.95%$601.95
3 more rows
Jun 14, 2024

How much does a $5000 CD make in a year? ›

Today's best CD rates by term
CD termInstitution offering top APYEstimated earnings on $5,000 with top APY
1-yearCIBC Bank USA$268
18-monthLendingClub$380
2-yearFirst Internet Bank of Indiana$487
3-yearFirst Internet Bank of Indiana$724
5 more rows
2 days ago

How does the rate on a CD work? ›

How CDs work. CDs offer a guaranteed return when you keep your money in the account for a set term. Let's say you find a bank that offers a one-year CD with a 4 percent APY. As long as you keep the funds in the CD for the duration of the one-year term, you're guaranteed to earn a 4 percent yield on your money.

How does a CD work in simple terms? ›

A certificate of deposit (CD) is a type of savings account. It pays a fixed interest rate on money held for an agreed upon period of time. The best CD rates are usually higher than savings accounts, but you lose withdrawal flexibility. If you withdraw your CD funds early, you'll be charged a penalty.

What is the biggest negative of putting your money in a CD? ›

Banks and credit unions often charge an early withdrawal penalty for taking funds from a CD ahead of its maturity date. This penalty can be a flat fee or a percentage of the interest earned. In some cases, it could even be all the interest earned, negating your efforts to use a CD for savings.

Do I have to pay taxes on CD interest? ›

Key takeaways. Interest earned on CDs is considered taxable income by the IRS, regardless of whether the money is received in cash or reinvested. Interest earned on CDs with terms longer than one year must be reported and taxed every year, even if the CD cannot be cashed in until maturity.

Who has the highest paying CD right now? ›

Best 1-Year CD Rates
  • Abound Credit Union – 5.25% APY.
  • Mountain America Credit Union – 5.25% APY.
  • KS State Bank – 5.25% APY.
  • Forbright Bank – 5.25% APY.
  • Merchants Bank of Indiana – 5.25% APY.
  • Seattle Bank – 5.25% APY.
  • Bread Savings – 5.25% APY.
  • Utah First Credit Union – 5.25% APY.

What is a good amount of money to put in a CD? ›

While that amount will be different for everyone, you should keep a few things in mind. First, a minimum amount is usually required. Most CDs have a minimum deposit between $500 and $2,500, though some can be lower or higher than this range.

How many CDs can you have at one bank? ›

There's no limit on the number of CDs you can have, and it's possible to have multiple CDs at the same bank or different financial institutions.

Do CDs pay interest monthly? ›

In practice, however, most CDs compound either daily or monthly. The more frequent the compounding, the more interest your interest will earn. The frequency with which your CD compounds is reflected in the annual percentage yield (APY) that the CD's issuer promises you when you buy a CD.

What happens to a CD after it matures? ›

Once the CD matures, you may have a grace period, established by the bank, to decide whether to renew the CD or withdraw the funds. The bank will pay interest, if any, once the CD matures in accordance with your account agreement and bank policy during the grace period.

How do you make money off of a CD? ›

A CD is a timed deposit account that earns a fixed rate of return during a defined period of time, or term. In exchange for a guaranteed yield, you agree to keep your money in the account, untouched, until the CD's term expires. During that period, the money in the CD accrues interest, compounding at regular intervals.

How much does a 20,000 CD make in a year? ›

That said, here's how much you could expect to make by depositing $20,000 into a one-year CD now, broken down by four readily available interest rates (interest compounding annually): At 6.00%: $1,200 (for a total of $21,200 after one year) At 5.75%: $1,150 (for a total of $21,150 after one year)

How long after a CD matures can you withdraw? ›

You might only have seven to 10 days to withdraw penalty-free from a CD after it matures, depending on your bank's policy. If you don't withdraw, your bank might automatically renew your CD for the same or similar term but at the bank's current rate.

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