Savings account interest rates are set by each bank and change based on the Federal Reserve's decisions

A savings account interest rate is the percentage of your balance that a bank pays you each year for keeping money there. If you have $10,000 in a savings account earning 4.5% annual interest, the bank will pay you roughly $450 over the course of a year (though the exact amount depends on how often interest compounds). The rate your bank offers depends on three things: what the Federal Reserve does with its benchmark rate, what competing banks are offering, and what type of account you open.

Banks do not set rates in a vacuum. When the Federal Reserve raises or lowers its target interest rate, banks typically adjust what they pay on savings accounts within weeks or months. When the Fed's rate is high, banks compete harder for deposits and offer higher savings rates. When the Fed cuts rates, banks lower what they pay you. This is why the same bank might offer 4.75% one month and 4.25% the next.

The rate you see advertised is called the annual percentage yield (APY). This is different from the interest rate itself because APY includes the effect of compounding — the way interest earned gets added back to your balance and then earns interest itself. A bank might quote you a 4.5% interest rate compounded daily, which becomes a 4.60% APY. Always compare banks using APY, not the base rate.

Key Takeaways

  • Banks set their own savings rates based on Federal Reserve policy and competition, so rates vary widely between institutions even on the same day.
  • The annual percentage yield (APY) is what you should compare across banks, because it accounts for how often interest compounds.
  • Online banks typically offer higher rates than brick-and-mortar banks because they have lower overhead costs.
  • High-yield savings accounts pay more than regular savings accounts, but both are FDIC-insured up to $250,000 per depositor per bank.
  • Your rate is usually fixed for as long as you keep the account, but banks can change the rate at any time with notice.

Why rates differ between banks and account types

Two banks can offer completely different rates on the same day. Online-only banks like Marcus, Ally, and American Express Personal Savings typically pay 4% to 5% APY on regular savings accounts, while a traditional bank down the street might pay 0.01%. The difference is cost: online banks do not maintain branches or employ tellers, so they pass the savings to you as higher interest rates. They also compete aggressively for deposits because they cannot rely on foot traffic.

Within a single bank, different account types earn different rates. A high-yield savings account (HYSA) earns significantly more than a regular savings account at the same bank — sometimes 4% to 5% APY versus 0.05%. Money market accounts sometimes pay slightly more than regular savings but less than HYSAs. Checking accounts almost never earn meaningful interest. The trade-off is usually that HYSAs have higher minimum balances or limit how many withdrawals you can make per month, though many banks have removed withdrawal limits.

Some banks offer promotional rates to new customers — for example, 5.35% APY for the first three months, then dropping to 4.5%. Read the fine print to see when the promotional period ends and what the standard rate will be. A few banks also offer tiered rates, where you earn more interest on larger balances. For instance, balances under $25,000 might earn 4.0% APY, while balances over $100,000 earn 4.75%.

How the Federal Reserve affects what banks pay you

The Federal Reserve does not set savings account rates directly. Instead, it sets the federal funds rate, which is the interest rate banks charge each other for overnight loans. When the Fed raises this rate, banks have less incentive to borrow from each other, so they need to attract more deposits from customers. They do this by raising the rates they pay on savings accounts. When the Fed cuts rates, banks lower what they pay you because they need fewer deposits.

The lag between a Fed decision and a change in your savings rate is usually one to four weeks. Some banks move faster than others. Online banks often adjust within days of a Fed announcement, while traditional banks may take several weeks. If you are shopping for a savings account right after the Fed raises rates, you may find better offers at online banks that have already adjusted, while brick-and-mortar banks are still catching up.

The Fed's rate decisions depend on inflation, employment, and economic growth. You cannot predict exactly when the Fed will move, but you can watch the Federal Reserve's website or financial news to see when meetings are scheduled. The Fed meets eight times a year to decide whether to raise, lower, or hold rates steady.

What happens to your rate after you open the account

When you open a savings account, the rate you see is not locked in for life. Banks can change the interest rate on your account at any time, though they must notify you in advance — usually 30 days. In practice, banks raise and lower rates frequently as Fed policy and market conditions change. If your bank lowers the rate, you are free to move your money to a different bank offering a higher rate.

Some banks are more aggressive about cutting rates than others. If you notice your bank has lowered your rate significantly below what competitors are offering, moving your money takes about a week. You can open a new account at a different bank, transfer your balance, and close the old account. There is no penalty for moving savings between banks, and the transfer itself does not affect your credit score.

A few banks offer relationship bonuses or loyalty rewards that add to your base interest rate, but these are uncommon and usually small — perhaps 0.1% or 0.25% extra if you also have a checking account or direct deposit set up. These bonuses are worth checking for, but they should not be your main reason for choosing a bank.

How interest compounds and affects your total earnings

Interest compounds when the bank adds earned interest back to your balance, and then you earn interest on that interest. The frequency matters. A bank that compounds daily will pay you slightly more than one that compounds monthly, even if both quote the same APY. This is why APY (which already accounts for compounding) is more useful than the base interest rate when comparing banks.

Here is a concrete example: $10,000 at 4.5% APY compounded daily will earn about $450 in a year. The same $10,000 at 4.5% APY compounded monthly will also earn about $450 in a year, because the APY already reflects the compounding frequency. The difference between daily and monthly compounding is usually a few dollars on a typical balance. What matters much more is the APY itself — moving from 0.5% to 4.5% APY is worth hundreds of dollars per year on a $10,000 balance.

Interest is usually credited to your account monthly, though some banks credit it daily. You can withdraw the interest at any time, or leave it in the account to compound further. There is no tax advantage to leaving interest in the account — you owe income tax on all interest earned, whether you withdraw it or not, and you will receive a 1099-INT form from the bank at the end of the year for tax purposes.

Comparing rates across banks and account types

The best way to find current rates is to visit bank websites directly or use a rate comparison tool like Bankrate, DepositAccounts, or the Federal Deposit Insurance Corporation (FDIC) website. These sites show rates from multiple banks side by side, though they update at different frequencies. Bank websites always show the most current rate, but you have to check each one individually.

When comparing, make sure you are looking at the same account type. A high-yield savings account at one bank should be compared to high-yield savings accounts at other banks, not to regular savings accounts. Check the APY, not the interest rate, and look for any minimum balance requirements or monthly fees that might reduce your actual earnings.

Consider also how easy it is to move money in and out. Some online banks allow unlimited transfers, while others limit you to six per month (though this rule has become less common). If you think you might need to access your money frequently, a bank with no transfer limits is more convenient. For money you will not touch for months, the transfer limit matters less.

FDIC insurance and safety of your savings

All savings accounts at FDIC-insured banks are protected up to $250,000 per depositor per bank. This means if the bank fails, the FDIC will reimburse you for your balance up to that limit. This protection applies to all account types — regular savings, high-yield savings, money market accounts — and it does not depend on the interest rate. A bank paying 5% APY is just as safe as one paying 0.01%, as long as both are FDIC-insured.

You can verify that a bank is FDIC-insured by searching the FDIC's Bank Find tool on their website. Nearly all banks you have heard of are FDIC-insured. If you have more than $250,000 to save, you can open accounts at multiple banks to stay within the insurance limit at each one, or you can use a service like Sweep or IntraFi that automatically distributes your money across multiple FDIC-insured banks.

Frequently Asked Questions

Do I have to pay taxes on savings account interest?

Yes. Interest earned on a savings account is taxable income. Your bank will send you a 1099-INT form at the end of the year showing how much interest you earned, and you must report this on your tax return. The interest is taxed at your ordinary income tax rate, not at a special rate.

Can a bank lower my interest rate without warning?

A bank can lower your rate, but it must notify you at least 30 days in advance. You will usually receive a letter or email explaining the change. If you disagree with the new rate, you can move your money to a different bank with no penalty.

Is a high-yield savings account worth it compared to a regular savings account?

Yes, if you have money you will not spend for several months. A high-yield account earning 4.5% APY will earn roughly $450 per year on a $10,000 balance, while a regular savings account earning 0.05% will earn only $5. The difference grows larger with bigger balances. The trade-off is that HYSAs are usually at online banks, so transfers take one to three business days.

What happens to my interest rate if the Federal Reserve cuts rates?

Your bank will likely lower the interest rate it pays you within a few weeks of a Fed rate cut. Banks lower rates because they need fewer deposits when borrowing costs fall. You can move your money to a bank that has not cut rates yet, or wait to see which banks offer the best rates after the cuts stabilize.

Can I earn more interest by moving my money between banks?

Yes. Banks often offer promotional rates to new customers, and rates vary widely between institutions. Moving your money to a bank offering 4.75% APY instead of 4.0% will earn you an extra $75 per year on a $10,000 balance. The transfer itself takes about a week and costs nothing.