What a 3-Month Certificate of Deposit Is

A 3-month certificate of deposit (CD) is a savings account where you agree to leave your money untouched for exactly three months in exchange for a fixed interest rate. The bank pays you that rate for the full term, no matter what happens to market rates during those 90 days. When the three months end, you get your original deposit back plus the interest earned.

The tradeoff is straightforward: you cannot withdraw the money early without paying a penalty. That penalty is usually a few months' worth of interest, though the exact amount depends on the bank. Because you are giving up access to your cash, the bank pays you more interest than it would on a regular savings account.

A 3-month CD is the shortest common CD term. Banks also offer 6-month, 1-year, and longer terms. The longer you lock your money away, the higher the rate usually climbs — but not always, and the difference is often small.

Key Takeaways

  • A 3-month CD pays a fixed interest rate for exactly 90 days, and you cannot withdraw early without a penalty.
  • Rates on 3-month CDs vary by bank and change weekly, so comparing several banks takes 15 minutes and can mean real money.
  • Your deposit is insured up to $250,000 by the FDIC if the bank fails, the same as a regular savings account.
  • When your CD matures, the bank will either move the money to a linked account or automatically renew it into a new CD at the current rate.

How 3-Month CD Rates Vary by Bank

Rates on 3-month CDs differ widely. On any given day, one bank might offer 4.50% while another offers 3.75% on the same product. Online banks tend to pay more than brick-and-mortar banks because they have lower overhead costs. Credit unions sometimes pay competitive rates, especially if you are a member.

Rates also change frequently — sometimes weekly, sometimes daily. A rate you see on Monday might be gone by Wednesday. This is because banks adjust their rates based on what the Federal Reserve does and what other banks are offering. You do not need to chase the absolute highest rate, but checking three to five banks before you open a CD is worth the time.

The difference between 4.50% and 4.00% on a $10,000 CD for three months is about $12.50 in extra interest. On $25,000, it is about $31. Those numbers add up if you are opening multiple CDs or if you have a larger balance.

Where to Find Current 3-Month CD Rates

You can see current rates directly on each bank's website, usually in a section labeled "CDs" or "Certificates of Deposit." Most banks list rates prominently on their homepage. You do not need to call or visit a branch — the rate you see online is the rate you get.

Financial websites like Bankrate, DepositAccounts, and the FDIC's own BankFind tool let you search rates across many banks at once. These sites update rates daily and let you filter by term length. They are free to use and do not require you to sign up.

When you find a rate you like, you can usually open the CD online in 10 to 15 minutes. You will need your Social Security number, a valid ID, and a way to fund the account — either a transfer from another bank or a check deposit.

What Happens When Your CD Matures

When your three months are up, the bank sends you a notice a few days before the maturity date. At that point, you have a choice: withdraw the money, let it sit in a regular savings account, or roll it into a new CD.

Many banks automatically renew your CD into a new term at the current rate if you do nothing. This is called an auto-renewal. If you do not want to renew, you have a grace period — usually 7 to 10 days after maturity — to withdraw the money without penalty. After that window closes, you are locked in again.

Read the maturity notice carefully so you know your bank's auto-renewal policy. If rates have dropped and you do not want to renew at a lower rate, you need to act during that grace period. If rates have risen, you might want to shop around before renewing, because your bank may not offer the best new rate.

Early Withdrawal Penalties and FDIC Protection

If you need your money before the three months are up, you can withdraw it, but the bank will charge you a penalty. Most banks subtract three months of interest from your balance. Some subtract a flat fee instead, usually $25 to $50. A few charge more. The penalty is spelled out in the CD agreement before you open the account.

Your deposit is protected by the FDIC (Federal Deposit Insurance Corporation) up to $250,000 per bank. This means if the bank fails, the government guarantees you get your money back. This protection covers the principal and any interest earned so far. It does not protect you from the early withdrawal penalty — that is a bank fee, not an insurance matter.

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. For example, $250,000 at Bank A and $250,000 at Bank B are both fully insured.

3-Month CDs vs. Other Savings Options

A 3-month CD pays more interest than a regular savings account or money market account at the same bank, but less than a 1-year or 5-year CD usually does. The rate difference between a 3-month and a 6-month CD is often small — sometimes just 0.25% — so the choice depends on when you might need the money.

If you think you might need cash within six months, a 3-month CD makes sense. You can use it, let it mature, and then decide what to do next. If you are certain you will not touch the money for a year or more, a longer-term CD usually pays more and saves you the hassle of deciding what to do when it matures.

High-yield savings accounts have no maturity date and no penalty for withdrawal, but they pay slightly less interest than CDs. The tradeoff is flexibility: you can move money in and out of a savings account anytime, but you give up a bit of interest for that freedom.

How to Open a 3-Month CD

Start by comparing rates at three to five banks. Write down the rate, the bank name, and the maturity date (90 days from today). Then pick the bank with the rate you want and go to their CD page.

Click "Open a CD" or a similar button. You will enter your personal information: name, address, Social Security number, and date of birth. The bank will verify your identity and run a background check — this is normal and takes a few minutes. You will then choose how much to deposit and confirm the rate and maturity date.

Next, you fund the account. Most banks let you transfer money from another bank account or deposit a check by mail. The transfer usually takes one to three business days. Once the money arrives, your CD is active and earning interest. You will receive a confirmation email with your CD agreement and maturity date.

Frequently Asked Questions

Can I withdraw money from a 3-month CD before it matures?

Yes, but you will pay an early withdrawal penalty. The penalty is usually three months of interest, though some banks charge a flat fee or a different amount. Check your CD agreement to see the exact penalty before you open the account. If you think you might need the money, a high-yield savings account might be a better choice.

What is the difference between a 3-month CD and a 6-month CD?

The main difference is the term length and usually the interest rate. A 6-month CD locks your money for twice as long, and the rate is often slightly higher — sometimes 0.25% to 0.50% more. If you do not need the money for six months, the extra rate might be worth the longer wait. If you might need it sooner, a 3-month CD gives you more flexibility.

Is my money safe in a CD?

Yes. Your deposit is insured by the FDIC up to $250,000 per bank. If the bank fails, the government guarantees you get your money back, including any interest earned. This is the same protection you get with a regular savings account.

What happens if I do not withdraw my money when the CD matures?

Most banks automatically renew your CD into a new term at the current rate if you do nothing. You usually have a grace period of 7 to 10 days after maturity to withdraw the money without penalty. If you miss that window, you are locked in for another term. Check your maturity notice to see your bank's exact policy.

Do I have to open a CD at my current bank?

No. You can open a CD at any bank, including online banks you have never used before. Online banks often pay higher rates than traditional banks. You do not need an existing account — you can open a CD with just your personal information and a way to fund it.