Capital One savings accounts earn between 4.00% and 4.35% APY, depending on the account type and current market conditions

Capital One offers two main savings products: the Capital One 360 Savings Account and the Money Market Account. The 360 Savings Account typically pays around 4.00% APY, while the Money Market Account pays slightly higher rates, usually between 4.25% and 4.35% APY. These rates change regularly—sometimes weekly—based on Federal Reserve decisions and market competition, so the exact rate you receive depends on when you open your account and which product you choose.

Interest compounds daily and deposits to your account monthly. That means if you have $10,000 in a 360 Savings Account earning 4.00% APY, you would earn roughly $400 over a year, paid out in small monthly increments. The actual amount varies slightly based on the exact number of days in each month and how the daily balance fluctuates.

Capital One does not charge monthly maintenance fees on either savings product, and there are no minimum balance requirements to earn the stated rate. You can withdraw money without penalty, though federal rules limit you to six withdrawals per month (this limit applies to all savings accounts, not just Capital One).

Key Takeaways

  • Capital One 360 Savings Accounts currently pay around 4.00% APY, while Money Market Accounts pay between 4.25% and 4.35% APY.
  • Interest rates change frequently and are not locked in—your rate may shift up or down based on market conditions.
  • Interest compounds daily and deposits monthly, so you earn money on your money automatically without doing anything.
  • There are no monthly fees, no minimum balance requirements, and no penalty for withdrawals, though federal rules limit you to six withdrawals per month.

How to find Capital One's current savings rates

Capital One publishes its current rates on its website under the savings account product pages. You can visit Capital One's main site and navigate to the 360 Savings Account or Money Market Account sections to see the exact APY being offered today. Rates displayed there are the ones new customers receive when they open an account.

If you already have a Capital One savings account, you can log into your online account or mobile app to see your personal rate. Your rate may differ slightly from the advertised rate if you opened your account when rates were different, though Capital One typically adjusts existing customer rates to match new customer rates within a reasonable timeframe.

Why Capital One rates change so often

The Federal Reserve sets a target range for the federal funds rate, which is the interest rate banks charge each other for overnight loans. When the Fed raises or lowers this rate, banks adjust the rates they offer on savings accounts to stay competitive. Capital One, like most online banks, responds quickly to Fed changes because it competes directly with other online banks for deposits.

If you opened a Capital One savings account when rates were 5.00% APY and rates have since dropped to 4.00% APY, your rate will drop too. The reverse is also true: if rates rise, your rate rises. Capital One does not lock in a rate for the life of the account—the rate you earn is variable and tied to market conditions.

Comparing Capital One rates to other banks

Capital One's rates are competitive but not always the highest available. Some online banks and credit unions offer rates slightly above 4.35% APY on savings accounts, while others offer rates below 4.00%. The difference between a 4.00% rate and a 4.50% rate matters most if you have a large balance and plan to keep the money in savings for years.

To compare, check the rates offered by other online banks like Marcus, Ally, American Express Personal Savings, and Discover. Credit unions sometimes offer higher rates to members, though they may require membership or a minimum deposit. Comparing rates takes 10 minutes and can help you decide whether Capital One is the right fit for your savings.

How interest is calculated and paid

Capital One calculates interest daily based on your account balance. Each day, the bank divides your balance by 365 (or 366 in a leap year) and multiplies by the annual percentage yield. This daily interest accrues throughout the month and is deposited into your account on the first business day of the following month.

If your balance changes during the month—say you deposit $5,000 halfway through—the interest calculation adjusts. The first half of the month earns interest on your original balance, and the second half earns interest on the higher balance. This is why keeping money in savings longer and maintaining a higher balance increases the total interest you earn.

What happens to your interest if you withdraw money

Withdrawals do not affect interest that has already been calculated and deposited. If you withdraw $2,000 on the 15th of the month, you keep all the interest earned up to that point, and the interest for the rest of the month is calculated on your new, lower balance. There is no penalty for withdrawing, and you do not lose any interest you have already earned.

Federal law limits you to six withdrawals per month from a savings account (this includes transfers to other accounts, not just cash withdrawals). If you exceed six withdrawals in a month, Capital One may charge a fee or convert your account to a checking account. Plan ahead if you know you will need frequent access to your money.

Tax reporting for savings account interest

Capital One reports all interest you earn to the IRS on a Form 1099-INT if your interest exceeds $10 in a calendar year. You will receive this form by January 31st of the following year. You must report this interest as income on your federal tax return, even if you did not receive a 1099-INT (though most people will).

Interest income is taxed at your ordinary income tax rate, not at the capital gains rate. If you earn $400 in interest and you are in the 22% tax bracket, you owe roughly $88 in federal taxes on that interest. Some states also tax interest income, so check your state's rules. This is why the actual return on your savings is lower than the APY—the APY is the gross return before taxes.

Frequently Asked Questions

Can I lock in a rate so it does not go down?

No. Capital One savings accounts have variable rates that change with market conditions. There is no option to lock in a rate for a set period. If you want a may provide rate, you would need to open a certificate of deposit (CD), which Capital One also offers, though CD rates are typically lower than savings account rates in exchange for the may provide.

What is the difference between the 360 Savings Account and the Money Market Account?

The Money Market Account pays a slightly higher rate (usually 0.25% to 0.35% more) but may require a higher opening deposit and offers check-writing privileges. The 360 Savings Account is simpler and has no minimum deposit. For most people, the 360 Savings Account is the better choice unless you need to write checks from your savings.

Do I have to pay taxes on the interest I earn?

Yes. Interest earned on a savings account is taxable income and must be reported on your federal tax return. Capital One sends you a 1099-INT form if you earn more than $10 in interest during the year. You pay taxes at your ordinary income rate, which reduces the real return on your savings.

What happens if I keep my money in the account for a year?

If you keep $10,000 in a Capital One 360 Savings Account earning 4.00% APY for a full year, you earn approximately $400 in interest before taxes. The exact amount depends on the daily balance throughout the year and the precise rate in effect each day, since rates can change. After taxes, your net gain would be lower.

Can I move money between my Capital One savings and checking account without penalty?

Yes, transfers between your own Capital One accounts do not count toward the six-withdrawal limit and do not incur fees. However, transfers to accounts at other banks do count as withdrawals. Plan your transfers carefully if you are near the six-withdrawal limit in a month.