What you earn depends on the bank, the account type, and the current rate environment

Banks pay interest on savings accounts by offering you an Annual Percentage Yield (APY)—a rate that compounds daily or monthly and determines how much money you earn on your balance. The amount varies widely. A big national bank might pay 0.01% APY on a basic savings account, while an online bank might pay 4.50% to 5.35% APY on the same type of account. The difference between these two rates means that on a $10,000 balance, you'd earn roughly $1 per year at the big bank versus $450 to $535 per year at the online bank.

The rate you see advertised is what the bank is offering right now—but banks change rates frequently, sometimes weekly. Your rate can go up or down depending on what the Federal Reserve does with its benchmark interest rate. When the Fed raises rates, banks often raise savings rates to compete for deposits. When the Fed cuts rates, banks typically lower what they pay you.

The type of account also matters. A money market account might pay slightly more than a regular savings account at the same bank. A certificate of deposit (CD) locks your money away for a set term—three months, one year, five years—and usually pays more than a savings account because the bank knows it can use your money for longer. A high-yield savings account is simply a savings account at an online or credit union that pays a higher rate than traditional banks.

Key Takeaways

  • Online banks and credit unions typically pay 4% to 5%+ APY on savings accounts, while traditional brick-and-mortar banks often pay under 0.5% APY on the same account type.
  • The APY you see is the current rate; banks change rates regularly based on Federal Reserve decisions and competition for deposits.
  • Money market accounts and certificates of deposit (CDs) usually pay more than regular savings accounts because they either require higher balances or lock your money away for a set period.
  • Your actual earnings depend on your balance, how often interest compounds, and how long you keep the money in the account.
  • The FDIC insures deposits up to $250,000 per account type per bank, so a higher rate does not mean higher risk as long as you stay within that limit.

How the rate gets applied to your account

Interest compounds, meaning you earn interest on your interest. If your account compounds daily, the bank calculates your interest each day based on your balance that day, adds it to your account, and then the next day's calculation includes that new interest. If it compounds monthly, the same thing happens once a month. Daily compounding earns you slightly more than monthly compounding because the interest gets added more often.

The APY already accounts for compounding, so you do not have to do the math yourself. If a bank says 4.50% APY, that is the actual annual return you will get if you leave the money untouched for a year. If you deposit $10,000 and earn 4.50% APY compounded daily, you will have approximately $10,450 after one year (before taxes).

Interest posts to your account on a schedule set by the bank—usually monthly or quarterly. You can withdraw that interest anytime, or leave it in the account to compound further. Some banks show you the interest earned so far in the current month, even though it has not posted yet.

Why rates differ so much between banks

Online banks pay more because they have lower overhead. They do not operate physical branches, do not pay tellers, and do not maintain buildings. That savings gets passed to you as a higher rate. Traditional banks with branches pay less because they have higher costs to cover.

Credit unions often pay higher rates than banks because they are member-owned cooperatives, not shareholder-owned companies. They return profits to members rather than to investors, so they can afford to pay more on deposits and charge less on loans.

Competition also drives rates up. When many banks are offering 5% APY, a bank that offers 2% will lose deposits to competitors. During periods when the Fed keeps rates low, all banks pay less. During periods when the Fed raises rates, banks compete harder and rates climb across the board.

The size of your balance can matter too. Some banks offer tiered rates—a lower rate on the first $25,000 and a higher rate on balances above that. Others offer the same rate regardless of balance. A few banks pay higher rates only if you meet conditions like setting up direct deposit or making a certain number of debit card transactions per month.

How to find the highest rate available right now

Check the websites of online banks, credit unions, and the savings sections of traditional banks. Most post their current APY prominently on the savings account page. Look for the APY, not the interest rate—APY is the standardized number that accounts for compounding and lets you compare across banks fairly.

Comparison sites like Bankrate, DepositAccounts, and DepositRates update rates daily and let you filter by account type, minimum balance, and other features. These sites do not sell the accounts themselves; they just show you what is available.

Call or visit your current bank and ask what rate they are paying. If it is significantly lower than what competitors offer, you can ask if they will match a higher rate. Some banks will, especially if you have been a customer for years. If they will not, moving your savings to a higher-paying bank takes about a week and costs nothing.

What happens to your rate when the Fed changes course

The Federal Reserve sets a target range for the federal funds rate—the rate banks charge each other for overnight loans. This is not the rate you earn on savings, but it influences it heavily. When the Fed raises its rate, banks have more incentive to raise savings rates to attract deposits. When the Fed cuts its rate, banks lower savings rates because they need deposits less urgently.

The lag between a Fed move and a bank rate change varies. Some online banks adjust within days. Traditional banks may wait weeks or longer. When the Fed raises rates, banks usually raise savings rates quickly to compete. When the Fed cuts rates, banks often cut savings rates faster than they raised them—so you feel the pain of a rate cut more sharply than the benefit of a rate increase.

You cannot lock in a rate on a regular savings account. The rate can change anytime, and the bank will notify you before it does (usually by email or a notice in your account). A CD is different—once you open a CD at a set rate, that rate is locked in for the full term, even if the bank's rates drop.

Comparing savings accounts to other ways to hold cash

A high-yield savings account is the simplest option if you need access to your money. You can withdraw anytime without penalty, and your deposits are FDIC-insured up to $250,000. The tradeoff is that the rate is variable and can drop.

A money market account works similarly but usually requires a higher minimum balance (often $2,500 to $10,000) and may limit how many withdrawals you can make per month. In exchange, it typically pays slightly more than a savings account at the same bank.

A CD locks your money away for a set term—three months to five years or longer. You earn a fixed rate that does not change, but if you withdraw before the term ends, you pay an early withdrawal penalty (usually a few months of interest). CDs make sense if you know you will not need the money for a specific period and want to lock in a rate before it drops.

Money market funds and Treasury bills are not bank products, so they are not FDIC-insured, but they can pay competitive rates. A money market fund is a mutual fund that invests in short-term debt. Treasury bills are short-term loans to the U.S. government. Both carry different risks and tax treatment than a savings account.

How taxes affect what you actually keep

Interest earned in a savings account is taxable income. If you earn $500 in interest during a year, you owe federal income tax on that $500 (and possibly state income tax too, depending on where you live). The bank will send you a 1099-INT form in January showing how much interest you earned, and you report it on your tax return.

The tax you owe depends on your tax bracket. If you are in the 22% federal tax bracket, earning $500 in interest costs you roughly $110 in federal taxes, leaving you with $390. If you are in the 12% bracket, you keep more. If you are in the 37% bracket, you keep less.

This is why the actual return on your savings is lower than the APY shown. A 5% APY sounds good, but after taxes, you might keep only 3% to 4% of your earnings, depending on your tax situation. High-yield savings accounts still beat traditional banks even after taxes, but it is worth doing the math for your own situation.

Frequently Asked Questions

Can I move my savings to a higher-paying bank without losing my FDIC insurance?

Yes. FDIC insurance follows your deposits, not the bank. When you open an account at a new bank, your deposits are insured up to $250,000 from day one. Moving your money takes three to five business days via ACH transfer. Your old bank will not charge you to close the account or transfer the balance.

What is the difference between APY and APR on a savings account?

APY (Annual Percentage Yield) includes the effect of compounding and shows your actual annual return. APR (Annual Percentage Rate) does not account for compounding. Banks must show you the APY for savings accounts, so that is the number to use when comparing rates between banks.

Do I lose interest if I withdraw money before the end of the month?

No. Interest accrues daily on savings accounts, and you earn interest on whatever balance you hold each day. If you deposit $10,000 on the first of the month and withdraw $5,000 on the 15th, you earn interest on $10,000 for 14 days and $5,000 for the remaining days. You do not forfeit any interest for withdrawing early.

Why does my bank pay less interest than online banks?

Traditional banks have higher costs—branches, staff, buildings—so they keep more of their profit and pay depositors less. Online banks have minimal overhead and pass the savings to you as higher rates. Both are equally safe if they are FDIC-insured, so the only real difference is the rate you earn.

If I open a CD, am I locked in if rates go up?

Yes. A CD rate is fixed for the full term. If you open a one-year CD at 4% and rates climb to 5% six months later, you still earn 4% for the full year. If you withdraw early to move to a higher-paying CD, you pay an early withdrawal penalty. This is the tradeoff for locking in a may provide rate.