What CD rates are and how they're set

A CD rate is the annual percentage yield (APY) a bank pays you for locking your money into a certificate of deposit for a set period. The bank uses your deposit to lend to other customers or invest, and shares a portion of what it earns back to you as interest. The rate you receive depends on three things: the current interest rate environment (set largely by Federal Reserve decisions), the bank's own funding needs, and how long you agree to lock your money away.

Banks offer different rates for different CD terms—typically ranging from three months to five years, though some offer longer or shorter options. A one-year CD at one bank might pay 4.50% APY while a five-year CD at the same bank pays 4.75% APY. The relationship between term length and rate varies: sometimes longer terms pay more (called a normal yield curve), sometimes shorter terms pay more (an inverted curve), and sometimes the difference is almost nothing.

CD rates change constantly because banks adjust them in response to what the Federal Reserve does with its benchmark interest rate. When the Fed raises rates, banks typically raise CD rates within days or weeks. When the Fed cuts rates, CD rates fall. This means the rate you see today may not be the rate available next week.

Key Takeaways

  • CD rates are annual percentage yields (APY) that vary by bank, CD term length, and current market conditions—there is no single "the" CD rate.
  • Rates change frequently because banks adjust them in response to Federal Reserve decisions and their own deposit needs.
  • Longer CD terms do not always pay higher rates; the relationship depends on market conditions at the time you open the account.
  • The APY shown is the total interest you will earn over one year if you hold the CD to maturity and do not withdraw early.
  • Early withdrawal penalties can erase months or years of interest, so confirm the penalty amount before you open any CD.

How to compare rates across banks

CD rates vary significantly between banks. A national bank might offer 4.25% APY on a one-year CD while an online bank offers 4.85% on the same term. That 0.60% difference means $60 more per year on a $10,000 deposit. Over five years, the gap compounds and grows larger.

To compare, you need to look at the APY (not just the interest rate), the term length you want, and the minimum deposit required. Most banks publish their CD rates on their websites, and sites like Bankrate, DepositAccounts, and the FDIC's National Rates and Rate Caps tool let you search rates across multiple institutions at once. When you find a rate you want, check the fine print for the early withdrawal penalty—this is the cost of taking your money out before the CD matures.

Online banks typically offer higher rates than brick-and-mortar banks because they have lower overhead costs. Credit unions sometimes offer competitive rates as well, though you may need to be a member to open a CD. If you are comparing a 4.50% rate at a national bank to a 4.90% rate at an online bank, the online option will earn you significantly more unless the online bank has other drawbacks (like poor customer service or a confusing website).

What happens to your rate when the CD matures

When your CD reaches its maturity date, the bank stops paying you interest at the locked-in rate. At that point, you have a choice: withdraw the money, or let the bank roll it into a new CD at whatever rate the bank is currently offering. Most banks automatically renew CDs unless you tell them not to, and the new rate will almost certainly be different from your original rate.

If interest rates have fallen since you opened your CD, the renewal rate will be lower—sometimes significantly lower. If rates have risen, the renewal rate will be higher. This is why it matters to pay attention to your CD's maturity date. If you do not want the renewal rate, you can withdraw your money without penalty on the maturity date or during the grace period (usually 7 to 10 days after maturity) that most banks offer. After the grace period ends, if you withdraw, you will owe the early withdrawal penalty.

Some people use CD laddering to manage this: they open multiple CDs with different maturity dates so that one matures every few months or every year. This way, you can reinvest at current rates regularly without locking all your money away for a long time.

Early withdrawal penalties and what they cost

If you withdraw money from a CD before the maturity date, the bank charges an early withdrawal penalty. The penalty is usually expressed as a number of months of interest. A CD with a three-month penalty means you lose three months' worth of the interest you would have earned. On a $10,000 CD earning 4.50% APY with a three-month penalty, you would lose roughly $112.50.

Penalties vary widely. Some banks charge as little as one month of interest; others charge six months or more. A few online banks charge no penalty, though these are rare and usually come with other restrictions (like a shorter term or a higher minimum deposit). Before you open any CD, write down the exact penalty amount or percentage. This information is usually in the CD's terms and conditions, sometimes called the disclosure statement.

The penalty can wipe out your earnings entirely if you withdraw early. If you open a three-month CD at 4.50% APY and withdraw after one month, you earn roughly $37.50 in interest but lose $112.50 in penalties, leaving you with a net loss of $75. This is why CDs are best for money you know you will not need before the maturity date.

How CD rates compare to savings accounts and money market accounts

CD rates are usually higher than savings account rates at the same bank because you are agreeing to lock your money away. A bank's savings account might pay 0.01% APY while its one-year CD pays 4.50% APY. The tradeoff is access: you can withdraw from a savings account anytime without penalty, but you cannot touch CD money without paying a fee.

Money market accounts typically fall between savings accounts and CDs in both rate and flexibility. They often pay more than savings accounts but less than CDs, and they usually allow a limited number of withdrawals per month without penalty. If you need your money sooner than a CD term allows, a money market account may be a better fit than a CD, even if the rate is lower.

The choice depends on your timeline and your need for access. If you have money you will not need for two years, a two-year CD earning 4.75% is better than a savings account earning 0.50%. If you might need the money in six months, a savings account or money market account is safer because you avoid the early withdrawal penalty.

How inflation affects what your CD earnings are actually worth

A CD rate of 4.50% sounds good until you consider inflation. If inflation is running at 3.50% per year, your real earnings (the rate minus inflation) are only about 1.00%. This means your money is growing in dollar terms, but its purchasing power is growing much more slowly. If inflation rises to 4.50% or higher, your real earnings become zero or negative—you are actually losing purchasing power even though the bank is paying you interest.

This matters most for longer-term CDs. If you lock money into a five-year CD at 4.50% and inflation averages 3.50% over those five years, you will have earned real interest. But if inflation spikes to 5.00% or 6.00% in year three, you are stuck earning 4.50% for the rest of the term. You cannot access your money to move it to a higher-paying CD without paying the early withdrawal penalty. This is one reason some people prefer shorter CD terms—they can reinvest at higher rates if inflation or interest rates rise.

Frequently Asked Questions

Why do different banks offer different CD rates?

Banks set their own rates based on how much deposit money they need, their operating costs, and what they can earn by lending that money out. Online banks typically offer higher rates because they have lower overhead. Banks also adjust rates based on Federal Reserve decisions and market competition.

Is the APY the same as the interest rate?

No. The interest rate is the base rate; the APY (annual percentage yield) includes the effect of compounding—how often the bank adds interest to your balance. APY is always equal to or higher than the interest rate, and it is the number you should use to compare CDs across banks.

What if I need my money before the CD matures?

You can withdraw it, but you will owe an early withdrawal penalty. The penalty is usually several months of interest and can erase all your earnings. Some online banks offer no-penalty CDs, though these are rare and usually pay slightly lower rates.

Do CD rates go up or down?

They move in both directions depending on Federal Reserve decisions and market conditions. When the Fed raises its benchmark rate, banks typically raise CD rates within days or weeks. When the Fed cuts rates, CD rates fall. Rates can also vary between banks even when market conditions are the same.

Should I open a long-term CD or a short-term CD?

Long-term CDs sometimes pay more, but they lock you in at one rate for years. If rates rise, you cannot access higher rates without paying a penalty. Short-term CDs let you reinvest at current rates more often. The choice depends on whether you think rates will rise or fall and how long you can afford to lock your money away.