What a money market account actually is

A money market account is a savings account that sits between a regular savings account and a money market fund. It holds your cash, pays you interest on the balance, and lets you withdraw money when you need it — but with limits on how often you can move money out each month.

The account is FDIC-insured up to $250,000 (or $500,000 if you have a joint account), which means your money is protected if the bank fails. The tradeoff for this safety and the interest rate — which is usually higher than a basic savings account — is that you cannot treat it like a checking account. You get a limited number of withdrawals or transfers per month, typically six, before the bank charges a fee or converts the account.

Money market accounts are offered by banks and credit unions, not investment firms. The money sits in the bank's vault or in short-term, low-risk securities the bank holds. You are not buying stocks or bonds yourself.

Key Takeaways

  • A money market account pays interest higher than most savings accounts but requires you to limit withdrawals to roughly six per month.
  • Your deposits are FDIC-insured up to $250,000, so the bank's failure does not put your money at risk.
  • Interest rates on money market accounts change with the Federal Reserve's rate decisions and vary between banks.
  • Exceeding your monthly withdrawal limit usually triggers a fee or forces the bank to close the account and move your money to a checking account.

How the withdrawal limit actually works

Federal rules once capped money market account withdrawals at six per month. Those rules were relaxed in 2020, but most banks kept the limit anyway because it protects them from sudden cash drains. Some banks have removed the limit entirely; others enforce it strictly.

The limit applies to transfers and withdrawals — moving money out by any method. A withdrawal at an ATM counts. A transfer to another bank counts. A check you write counts. A debit card purchase does not, because the money stays in the bank's system. If you exceed the limit, the bank may charge a fee (typically $25 to $35 per excess transaction) or close the account and move your balance to a checking account, which pays little or no interest.

Before opening a money market account, check the specific bank's rules. Some banks count only transfers to outside accounts, not internal transfers between your own accounts. Others are stricter. The terms are in the account disclosure document the bank provides before you open it.

Interest rates and how they change

Money market accounts pay interest because banks lend out most of the cash you deposit. The rate you earn is set by the bank and changes when the Federal Reserve raises or lowers its benchmark interest rate. When the Fed raises rates, banks raise money market rates within weeks or months. When the Fed cuts rates, banks cut money market rates just as quickly.

The rate varies significantly between banks. At any given moment, one bank might offer 4.5% while another offers 2.1% on the same type of account. Online banks typically offer higher rates than brick-and-mortar banks because they have lower overhead costs. Credit unions sometimes offer competitive rates to members.

Interest is usually compounded daily and deposited monthly. That means the bank calculates interest on your balance each day, adds it to your account once a month, and you earn interest on that interest going forward. A $10,000 balance at 4.5% compounded daily earns roughly $450 per year, though the exact amount depends on the number of days in each month.

Money market account versus savings account versus checking

A regular savings account has no withdrawal limit but pays lower interest — often 0.01% to 0.5%. A money market account pays more interest but caps your withdrawals. A checking account has unlimited withdrawals and transfers but pays almost no interest and is designed for frequent spending.

The choice depends on your plan for the money. If you need to access it frequently — more than six times a month — a checking account makes sense even if it pays nothing. If you are saving for something specific and will not touch it for months, a money market account's higher rate is worth the withdrawal limit. If you want the simplest option and do not care about maximizing interest, a savings account works fine.

Some people use a money market account as a "holding tank" for money they are not spending yet but might need soon. Others use it as their main savings vehicle for an emergency fund, since six withdrawals per month is usually enough for genuine emergencies.

Fees and what triggers them

Money market accounts charge fees for specific actions. Exceeding your withdrawal limit costs $25 to $35 per excess transaction. Falling below a minimum balance — often $2,500 to $10,000, depending on the bank — may trigger a monthly fee of $10 to $25. Closing the account within a short period (usually 90 days to six months) may result in an early closure fee of $25 to $100.

Some banks waive the minimum balance fee if you set up direct deposit or maintain a certain balance in other accounts at the same bank. Read the fee schedule before opening the account. The fee schedule is part of the disclosure document and is also usually posted on the bank's website.

Overdraft fees do not explore to money market accounts the way they do to checking accounts, because you cannot overdraw. If you try to withdraw more than your balance, the transaction straightforward fails.

Who should use a money market account

A money market account makes sense if you have money you want to keep safe and earn interest on, but you do not need to access it constantly. Common uses include an emergency fund (three to six months of expenses), a down payment fund you are building over a year or two, or a short-term savings goal like a vacation or car repair.

It does not make sense if you need to move money in and out more than six times a month, or if you are looking for investment growth. The interest rate, while higher than a savings account, is still modest — $10,000 earning 4.5% makes $450 per year. If you need your money to grow faster, you would need to take on investment risk, which a money market account does not offer.

Money market accounts are also less useful if you have very little to deposit. Banks often require a minimum opening balance of $1,000 to $2,500. If you have $500 to save, a regular savings account or a high-yield savings account (which has no withdrawal limit) is a better fit.

How to open one and what to bring

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 an initial deposit (usually $1,000 to $2,500). If you are opening it at a bank where you already have an account, the process is faster because the bank already has your information.

Online banks let you open an account entirely on their website. You upload a photo of your ID, enter your Social Security number, and fund the account by linking a bank account or transferring money from another bank. The account is usually active within one to three business days.

At a brick-and-mortar bank, you can open an account at a branch with a teller or sometimes through a phone call with a banker. You will sign paperwork and receive the account disclosure, which explains the withdrawal limit, fees, interest rate, and other terms. Keep this document — you will need it to reference the rules later.

Frequently Asked Questions

Can I use a debit card with a money market account?

Most banks do not issue debit cards for money market accounts because debit card purchases would count against your withdrawal limit and create confusion. Some banks offer a limited debit card that works only at ATMs. Check with your bank about what access methods they provide.

What happens if I exceed my six withdrawals in a month?

The bank charges a fee per excess transaction, usually $25 to $35. If you repeatedly exceed the limit, the bank may close the account and move your balance to a checking account, which pays no interest. Some banks give one warning before enforcing the fee.

Is my money safe in a money market account?

Yes, if the bank is FDIC-insured. Your deposits are protected up to $250,000 per account. If the bank fails, the FDIC takes over and makes sure you get your money back. Credit union accounts are protected similarly by the NCUA up to $250,000.

How is a money market account different from a money market fund?

A money market account is a bank product insured by the FDIC. A money market fund is an investment product sold by investment firms and is not insured. Money market funds can lose value; money market accounts cannot. They are different products with similar names.

Can I move money between my own accounts without hitting the withdrawal limit?

It depends on the bank. Some banks count only transfers to outside accounts, not transfers between your own accounts at the same bank. Others count all transfers. Check your bank's specific rules in the account disclosure or call and ask before you open the account.