What a Fixed Term Savings Account Does

A fixed term savings account (also called a certificate of deposit or CD) is a bank account where you agree to leave a sum of money untouched for a set period of time—usually anywhere from three months to five years. In exchange, the bank pays you a higher interest rate than you would get in a regular savings account. You cannot withdraw the money before the term ends without paying a penalty, usually a loss of some or all of the interest you earned.

The trade-off is simple: you give up access to your cash for a defined period, and the bank rewards you with a better rate. The longer you lock your money away, the higher the rate typically is. A three-month CD might pay 4.5 percent annual interest, while a five-year CD from the same bank might pay 5.2 percent. The exact rates change based on what the Federal Reserve does with interest rates and what banks decide to offer.

Fixed term accounts are designed for money you know you won't need soon—an emergency fund you've already built up, a down payment you're saving for over the next two years, or a chunk of inheritance you want to grow safely. They are not for money you might need next month.

Key Takeaways

  • You deposit a lump sum and agree not to touch it for a set term, typically three months to five years, in exchange for a higher interest rate than a regular savings account offers.
  • Withdrawing money before the term ends costs you a penalty, usually equal to several months of interest, so the account only makes sense if you can leave the money alone.
  • Interest rates on fixed term accounts vary by bank and by how long the term is; longer terms usually pay more, but rates change based on Federal Reserve policy.
  • When your term ends, the bank automatically renews the account at the current rate unless you tell them to stop, so you need to check the renewal terms before they happen.
  • Fixed term accounts are FDIC-insured up to $250,000 per depositor per bank, so your principal is protected even if the bank fails.

How Interest Accrues and When You Get Paid

The bank calculates your interest based on the annual percentage yield (APY) they quoted you when you opened the account. That rate is locked in for the entire term—it does not change even if the Federal Reserve raises or lowers rates. If you opened a one-year CD at 4.8 percent APY, you will earn 4.8 percent on your money for that full year, no matter what happens in the market.

Interest compounds, meaning you earn interest on your interest. Most banks compound daily or monthly. If you deposit $10,000 at 4.8 percent APY compounded daily, you will earn roughly $480 over the year, but the exact amount depends on how many days are in the compounding period and how the bank calculates it. The difference between daily and monthly compounding is small—usually a few dollars on a $10,000 deposit—but it adds up on larger sums.

You typically do not receive the interest until the term ends. Some banks pay it monthly or quarterly, but most hold it until maturity. When the account matures, the bank deposits the principal plus all accrued interest into your account, or into a linked checking account if you set that up in advance.

Early Withdrawal Penalties and What They Cost

If you need the money before the term ends, you can withdraw it, but the bank will charge you a penalty. The penalty is usually stated as a number of months of interest—for example, "three months of interest" or "six months of interest." On a $10,000 CD earning 4.8 percent APY, three months of interest is roughly $120, so you would get back $10,000 minus $120, or $9,880.

Some banks state the penalty differently—as a percentage of the principal or as a flat fee—so always check your account agreement before you open the account. A few banks offer "no-penalty" CDs that let you withdraw early without a penalty, but they pay a lower interest rate to compensate. Those make sense only if you genuinely might need the money and the rate difference is small enough that the flexibility is worth it.

The penalty applies whether you withdraw the full amount or just part of it. If you need $2,000 from a $10,000 CD, the bank still charges the full early withdrawal penalty on the remaining $8,000. This is why fixed term accounts should only hold money you are confident you will not touch.

What Happens When Your Term Ends

When your CD reaches maturity, the bank automatically renews it into a new CD at the current rate for the same term length—usually without asking you. This is called an automatic renewal. If rates have dropped since you opened the original CD, your new rate will be lower. If rates have risen, your new rate will be higher. You have a grace period—typically seven to ten days after maturity—to withdraw the money or move it elsewhere without penalty.

Banks are required to notify you before the renewal happens, usually by mail or email. The notice tells you the new rate and gives you the window to cancel. If you do nothing, the money rolls into the new CD automatically. Many people miss this window and end up locked in at a worse rate, so mark your calendar for the maturity date and check your mail or email around that time.

If you want to move the money to a different bank or account type when the CD matures, do it during the grace period. After that window closes, you are locked in again, and early withdrawal penalties apply if you change your mind.

Comparing Rates Across Banks and Terms

CD rates vary significantly by bank and by term length. A large national bank might offer 4.2 percent on a one-year CD, while an online bank offers 4.9 percent on the same term. Over a year, that 0.7 percent difference means roughly $70 more on a $10,000 deposit. On larger sums or longer terms, the difference compounds into hundreds of dollars.

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, especially if you are a member. The tradeoff is that online banks may have less customer service or slower deposit processes, though most are FDIC-insured just like traditional banks.

Rates also change based on what the Federal Reserve does. When the Fed raises rates, banks raise CD rates to attract deposits. When the Fed cuts rates, CD rates fall. If you think rates might rise soon, a shorter term (like three or six months) lets you reinvest at a higher rate sooner. If you think rates might fall, a longer term locks in the higher rate available now.

Tax Treatment of CD Interest

The interest you earn on a CD is taxable income in the year you earn it, even if you do not receive the money until the CD matures. If you earn $480 in interest on a CD that matures in December, you owe tax on that $480 in that tax year, even though the bank does not pay it to you until the maturity date.

Banks report CD interest to the IRS on a Form 1099-INT if you earn $10 or more in interest. You will receive a copy and must report it on your tax return. If you withdraw money early and pay a penalty, you can deduct the penalty from your taxable interest income, which reduces your tax bill slightly.

CDs held in tax-advantaged accounts like IRAs or Roth IRAs follow different rules. The interest is not taxed in the year earned, but withdrawals from the account may be taxed or penalized depending on the account type and your age. If you are using a CD as part of retirement savings, talk to a tax professional about the implications.

FDIC Insurance and Safety

Money in a CD is protected by FDIC insurance up to $250,000 per depositor per bank. This means if the bank fails, the government guarantees you will get your money back, up to that limit. If you have $250,000 in a CD at Bank A and $250,000 in a CD at Bank B, both are fully protected because they are at different banks.

If you have multiple CDs at the same bank—say, a $150,000 CD and a $100,000 CD—they count as one deposit for insurance purposes, so the total $250,000 is covered. But if you have $300,000 in CDs at the same bank, only $250,000 is insured, and you lose the extra $50,000 if the bank fails.

FDIC insurance does not protect you against interest rate risk or early withdrawal penalties. It only protects your principal if the bank becomes insolvent. This is why CDs are considered very safe for the money itself, but not necessarily the best return on your money if rates are falling or if you might need access sooner than you think.

Frequently Asked Questions

Can I add money to a CD after I open it?

No. A CD is a fixed deposit—you choose the amount when you open it, and that amount stays the same for the entire term. If you want to save more, you must open a separate CD. Some banks let you open multiple CDs at different times, each with its own term and rate.

What if I need the money for an emergency before the CD matures?

You can withdraw it, but you will pay an early withdrawal penalty. The penalty is usually several months of interest, so you will get back less than you deposited plus earned interest. If the emergency is truly urgent, the penalty is worth paying, but this is why CDs should only hold money you do not expect to need.

Should I open a CD or keep money in a regular savings account?

A CD pays more interest, but you cannot access the money without a penalty. A regular savings account pays less but gives you flexibility. If you have an emergency fund you have already built up and do not need to touch, a CD makes sense. If you are still building your emergency fund or might need the money soon, a high-yield savings account is better.

Do I have to renew my CD when it matures?

No. During the grace period after maturity (usually seven to ten days), you can withdraw the money without penalty, move it to another bank, or move it to a different account type. If you do nothing, the bank automatically renews it at the current rate. Check your maturity notice and act before the grace period ends if you want to do something different.

How do CD rates compare to other savings options?

CDs typically pay more than regular savings accounts but less than stocks or bonds over long periods. A high-yield savings account might pay 4.5 percent with full access to your money, while a one-year CD might pay 4.8 percent but locks your money away. The difference is small, so choose based on whether you need access to the money, not just on the rate.