An APY savings account is a regular savings account that shows its return as an annual percentage yield, or APY. APY tells you how much interest your money could earn in one year, including the effect of compounding. A higher APY generally means more earnings when the balance, rate and account terms are the same.
"APY savings account" is not a separate type of bank account. APY is the measurement used to compare what different savings accounts pay.
APY Savings Accounts at a Glance
| Feature | What it means |
|---|---|
| APY | Annual return after compounding |
| Interest rate | Base rate paid before the effect of compounding |
| Access | Usually allows withdrawals and transfers, subject to the bank's rules |
| Rate type | Often variable, so the bank can change it |
| Main costs | Monthly fees, minimum-balance requirements or withdrawal fees |
| Safety | Savings deposits at FDIC-insured banks are generally insured up to $250,000 per depositor, per ownership category |
How Does APY Work?
APY combines an account's interest rate with how often interest compounds. Compounding means the bank adds earned interest to your balance. You then earn interest on the previous interest as well as on your original deposit.
Federal regulations define APY as a percentage that reflects the interest paid and the frequency of compounding over a 365-day period.
For example, assume a savings account has:
- A $10,000 starting balance
- A 4.00% interest rate
- Monthly compounding
- No deposits or withdrawals during the year
The APY would be approximately 4.07%, and the account would earn about $407 over one year before applicable taxes or fees.
If the account advertises a 4.00% APY, $10,000 would earn approximately $400 over one year, assuming the balance and APY stay unchanged.
Actual earnings can differ if:
- The bank changes a variable interest rate
- You deposit or withdraw money
- The account has a minimum balance requirement
- The account charges fees
- The advertised APY applies only to part of your balance
What Is the Difference Between APY and Interest Rate?
The interest rate is the base annual rate, while APY includes the effect of compounding. APY is usually the more useful figure when you compare savings accounts.
| Term | Meaning |
|---|---|
| Interest rate | The basic rate the bank pays on your balance |
| APY | The annual return after compounding |
| APR | An annual percentage rate generally used for borrowing costs, not savings-account returns |
Banks and credit unions must disclose both the interest rate and APY when applicable. For variable-rate accounts, account disclosures must explain that the rate and APY can change, how the rate is determined and how often it may change.
What Should You Compare Besides APY?
Compare the APY with the account's fees, balance requirements, rate rules and access terms. A slightly higher APY may not result in more money if the account charges fees or makes the advertised rate difficult to earn.
Check these terms before opening an account:
Monthly maintenance fee A monthly fee can reduce or eliminate your interest earnings. Some banks waive the fee when you maintain a minimum balance or receive direct deposits.
Minimum balance Confirm the balance required to open the account, avoid fees or receive the advertised APY.
Variable-rate conditions Many savings accounts have variable rates. The bank may change the APY after you open the account.
Withdrawal and transfer rules Banks may impose their own limits or fees. Review the account agreement instead of assuming every savings account has the same access rules.
Deposit insurance Savings deposits at an FDIC-insured bank are automatically insured up to at least $250,000 per depositor, per insured bank, for each ownership category. FDIC insurance covers eligible deposit accounts, not investments such as mutual funds, stocks or bonds.
Is a Higher APY Savings Account Better?
Usually, a higher APY is better when the account has comparable fees, access and insurance.
A high-APY savings account may suit:
- An emergency fund
- Money needed within the next few years
- A home, car or vacation savings goal
- Cash that should remain accessible while earning interest
A savings account may be less suitable for long-term growth. Its variable APY can fall, and its return may not keep pace with other investments over long periods.
Bottom Line
Compare the APY with the account's fees, minimum balances, rate-change rules, withdrawal access and FDIC insurance. For many savers, a no-fee, FDIC-insured account is a practical choice when its APY is competitive and the advertised rate does not depend on difficult conditions.