A money market account is a hybrid savings product that combines features of checking and savings accounts

A money market account (MMA) is a deposit account offered by banks and credit unions that pays interest on your balance, usually higher than a regular savings account. In exchange, the account typically requires a larger minimum deposit to open—often $2,500 to $25,000, though this varies by institution—and limits how many withdrawals you can make per month.

The account sits between a traditional savings account and a money market fund (which is different and riskier). With an MMA, your money is insured by the FDIC if you bank with a bank, or by the NCUA if you use a credit union, up to $250,000 per depositor per institution. That insurance means your principal is protected even if the bank fails.

Most money market accounts come with a debit card or checkbook, so you can access your money without transferring it to another account first. The tradeoff is that federal rules limit you to six withdrawals or transfers per month (though this rule is enforced inconsistently across institutions). If you exceed the limit, the bank may charge a fee, close the account, or convert it to a savings account.

Key Takeaways

  • Money market accounts require a higher opening deposit than savings accounts but pay interest rates that are usually competitive with or better than savings accounts at the same bank.
  • Your money is FDIC-insured up to $250,000, so the principal is protected even if the bank fails.
  • You can write checks or use a debit card to withdraw money, but federal rules limit you to six withdrawals or transfers per month.
  • Interest rates on money market accounts fluctuate with the Federal Reserve's rate changes, so your earnings will rise and fall over time.
  • Money market accounts are not the same as money market funds, which are investments sold by brokerages and carry different risks and protections.

How the interest rate works and what you actually earn

The interest rate on a money market account is variable, meaning it changes when the Federal Reserve adjusts its benchmark rate. When the Fed raises rates, banks typically raise the rates they pay on deposits. When the Fed cuts rates, deposit rates fall. You will not earn a fixed amount each month; your rate can change at any time, and the bank must notify you before the change takes effect.

The rate you see advertised is the Annual Percentage Yield, or APY. This is the total return you would earn in one year if the rate stayed constant and you made no withdrawals. If an account offers 4.50% APY and you deposit $10,000, you would earn $450 in interest over twelve months (assuming the rate does not change). The bank calculates interest daily and deposits it monthly or quarterly, depending on the account terms.

Rates vary widely by bank. Online banks typically offer higher rates than brick-and-mortar banks because they have lower overhead costs. A money market account at a major national bank might pay 0.01% APY, while an online bank might pay 4.50% or higher. The difference compounds quickly: on $25,000, the difference between 0.01% and 4.50% is roughly $1,125 per year.

Minimum deposit, fees, and withdrawal limits

Most money market accounts require an opening deposit between $2,500 and $25,000. Some banks have no minimum; others require $100,000 or more. Check the specific bank's terms before you open the account. If you cannot meet the minimum, you will not be able to open the account, and the bank will not hold your place.

Common fees include a monthly maintenance fee (usually $5 to $15, though many banks waive it if you maintain the minimum balance), an overdraft fee if you write a check that bounces, and an excess withdrawal fee if you exceed the six-withdrawal limit per month. Some banks charge $25 to $35 per excess withdrawal. Read the fee schedule before opening the account, because fees can erase months of interest earnings.

The six-withdrawal limit applies to transfers and withdrawals combined. Writing a check counts as one withdrawal. Transferring money to another account counts as one withdrawal. Withdrawing cash at an ATM counts as one withdrawal. In-person withdrawals at a branch do not count toward the limit. If you need to access your money frequently, a money market account is not the right choice; a regular savings account or checking account would be better.

Money market accounts versus savings accounts and CDs

A money market account typically pays more interest than a regular savings account at the same bank, but the difference depends on the bank and the current rate environment. At online banks, the gap is often small because both products pay competitive rates. At traditional banks, money market accounts may pay 10 to 20 times more than savings accounts.

A certificate of deposit (CD) usually pays more than a money market account because you agree to lock your money away for a set term—three months, one year, five years, or longer. If you withdraw before the term ends, you pay a penalty. Money market accounts let you access your money anytime (within the six-withdrawal limit), so the bank pays less interest in exchange for that flexibility.

If you need your money within the next few months or expect to make regular withdrawals, a money market account makes sense. If you can lock money away for six months or longer and do not need to touch it, a CD usually pays more. If you want unlimited withdrawals and do not care about earning much interest, a regular checking account is simpler.

FDIC insurance and what happens if the bank fails

Money market accounts at banks are insured by the FDIC (Federal Deposit Insurance Corporation) up to $250,000 per depositor per bank. If the bank fails, the FDIC steps in and returns your money, up to that limit. You do not have to do anything; the FDIC handles it automatically.

The $250,000 limit applies per depositor per bank. If you have $100,000 in a money market account and $150,000 in a savings account at the same bank, both accounts are covered because the total is $250,000. If you have $200,000 in a money market account at Bank A and $200,000 in a money market account at Bank B, both are fully covered because they are at different banks. If you have $300,000 in a single money market account at one bank, only $250,000 is insured; the remaining $50,000 is not.

Credit unions offer the same protection through the NCUA (National Credit Union Administration). The coverage limit is also $250,000 per member per credit union.

When a money market account makes sense for your situation

A money market account works well if you have a lump sum of money—an inheritance, a bonus, a tax refund—that you want to earn interest on while keeping it accessible. It also works if you are saving toward a goal three to twelve months away and want a higher rate than a savings account offers.

A money market account does not work well if you need to make frequent withdrawals, because the six-withdrawal limit will cost you in fees. It also does not work if you cannot meet the minimum deposit, or if you want to lock in a rate and know exactly how much you will earn—a CD is better for that.

Compare rates across at least three banks before opening an account. Online banks almost always pay more than traditional banks. Check whether the bank waives the monthly fee if you maintain the minimum balance, and confirm the current APY in writing before you deposit your money. Rates change constantly, and the rate you see today may not be the rate you get tomorrow.

How to open a money market account and move money in

Opening a money market account takes 10 to 15 minutes online or in person. You will need a government-issued ID, your Social Security number, and proof of your current address (a utility bill or lease). The bank will run a background check through ChexSystems, a database that tracks banking history. If you have unpaid overdrafts or fraud flags at other banks, you may be denied.

Once approved, you fund the account by transferring money from another bank account, mailing a check, or depositing cash in person. If you transfer from another bank, the money usually arrives within one to three business days. If you mail a check, allow five to seven business days. If you deposit cash in person at a branch, the money is available immediately.

After the account is open, you can request a debit card and checkbook if the bank offers them. These usually arrive within five to ten business days. You can also set up automatic transfers from your checking account to fund the money market account on a regular schedule.

Frequently Asked Questions

Can I lose money in a money market account?

No. Your principal is protected by FDIC or NCUA insurance up to $250,000. The only way to lose money is if you withdraw funds before interest is credited, or if fees exceed your interest earnings. The interest rate can go down, but your balance will not.

Is a money market account the same as a money market fund?

No. A money market account is a bank deposit product insured by the FDIC. A money market fund is an investment product sold by brokerages and mutual fund companies. Money market funds are not insured and carry risk, though they are generally considered low-risk investments. Do not confuse the two.

What happens if I exceed the six-withdrawal limit?

The bank may charge a fee per excess withdrawal (typically $25 to $35), or it may convert your account to a savings account. Some banks close accounts that repeatedly exceed the limit. Check your bank's policy before opening the account. In-person withdrawals at a branch do not count toward the limit.

Can I use a money market account as my main checking account?

Technically yes, but it is not practical. The six-withdrawal limit means you cannot use it like a regular checking account where you make multiple transactions per week. Use a checking account for daily spending and a money market account for money you want to earn interest on but do not need to touch often.

Do I pay taxes on money market account interest?

Yes. Interest earned on a money market account is taxable income. The bank will send you a 1099-INT form at the end of the year showing how much interest you earned. You report this on your tax return. The interest is taxed at your ordinary income tax rate, not at the capital gains rate.