A money market account is a hybrid: it has features of both checking and savings, but is neither one

A money market account (MMA) sits between a traditional savings account and a checking account. Like savings, it earns interest on your balance and is meant for money you are not spending regularly. Like checking, it gives you the ability to withdraw cash and write checks — though with limits. The key difference from both: money market accounts typically require a higher minimum balance to open and maintain, and they restrict how often you can move money out each month.

Banks and credit unions classify money market accounts separately from both checking and savings on their product menus, and the rules that govern them are different from either one. The Federal Reserve sets withdrawal limits that apply to savings accounts and money market accounts but not to checking accounts. This is why you cannot simply treat a money market account like a checking account, even though it looks like one in some ways.

Key Takeaways

  • Money market accounts earn interest like savings accounts but allow limited check-writing and debit card access like checking accounts.
  • Federal rules restrict you to six withdrawals per month from a money market account, a limit that does not apply to checking.
  • Most money market accounts require a minimum balance of $2,500 to $10,000 to open, much higher than typical checking or savings accounts.
  • If you need to move money in and out frequently, a checking account is the right tool; a money market account is for money you want to earn interest on but may occasionally need to access.

How withdrawal limits separate money market accounts from checking

The Federal Reserve's Regulation D limits you to six withdrawals per month from a money market account. This includes transfers to other accounts, checks you write, debit card transactions, and ATM withdrawals. Once you hit six, the bank can refuse further withdrawals until the next calendar month begins. Checking accounts have no such limit — you can write as many checks and make as many transfers as you want.

This withdrawal cap is the single biggest practical difference between a money market account and checking. If you need to access your money frequently — paying multiple bills, making regular transfers, or using a debit card several times a week — a money market account will frustrate you. Banks enforce this limit because the Federal Reserve requires them to, and violating it can result in the account being reclassified or closed.

Some banks have loosened enforcement of this rule in recent years, but the limit remains on the books. Do not assume your bank will let you exceed it without consequence. Ask your bank directly what happens if you go over six withdrawals in a month.

Minimum balance requirements that checking accounts rarely have

Money market accounts almost always require a minimum opening balance, typically between $2,500 and $10,000 depending on the bank. Some require even more. Checking accounts, by contrast, often have no minimum or a much lower one — $100 to $500 is common. If your balance falls below the minimum on a money market account, the bank may charge a monthly fee, reduce your interest rate, or close the account.

The higher minimum exists because money market accounts are designed to hold larger sums of money that earn interest. Banks want to ensure the account is worth their administrative cost. If you have less than $2,500 to set aside, a regular savings account will serve you better and will not penalize you for a low balance.

Interest rates: why money market accounts are not savings accounts

Money market accounts earn interest, which is the main feature they share with savings accounts. However, the rate you earn depends on your balance and the bank's current rate environment. Banks often offer tiered rates — a higher rate if you maintain a balance above a certain threshold, a lower rate if you fall below it. This is different from most checking accounts, which earn little to no interest.

The interest rate on a money market account is not fixed. It changes based on what the Federal Reserve does with interest rates and what your bank decides to offer. You should compare rates across banks before opening one, because the difference between a 4.5% rate and a 5.0% rate matters significantly over time. Online banks and credit unions often offer higher rates than brick-and-mortar banks.

Check-writing and debit card access: where money market accounts look like checking

Many money market accounts come with a debit card and checkbook, making them feel like checking accounts. You can write checks and swipe your card to pay for things. However, you are still bound by the six-withdrawal limit. If you write three checks and make three debit card purchases in a month, you have used all six withdrawals — you cannot write a seventh check without triggering a fee or account restriction.

This is why money market accounts are poor choices for everyday spending. If you want check-writing and debit card access without limits, open a checking account. Use the money market account for money you want to earn interest on and access only occasionally — an emergency fund, a down payment you are saving for, or money set aside for quarterly tax payments.

When to use a money market account instead of checking or savings

A money market account makes sense if you have a specific amount of money you want to keep separate, earn interest on, and access only a few times per month. Common scenarios include holding an emergency fund (you do not need to touch it often, but you want it to earn something), saving for a large purchase over several months, or parking money temporarily before moving it elsewhere.

If you are deciding between a money market account and a savings account, the choice comes down to access and rate. Savings accounts have no withdrawal limits and are simpler to understand, but money market accounts often pay higher interest rates. If you are deciding between a money market account and checking, the choice is simpler: checking is for money you spend regularly, money market is for money you hold and occasionally access.

Do not open a money market account expecting to use it like a checking account. The withdrawal limits will catch you off guard, and you may end up paying fees or having the account restricted. Banks are clear about these rules in the account agreement, but many people do not read it until after they have already opened the account.

How to avoid fees and account restrictions

The most common fees on money market accounts are monthly maintenance fees (charged if your balance falls below the minimum), excess withdrawal fees (charged when you exceed six withdrawals), and inactivity fees (charged if you do not use the account for a long time). Some banks also charge fees for closing the account within a certain period.

To avoid these fees, keep your balance above the minimum, stay within the six-withdrawal limit, and use the account for its intended purpose: holding money that earns interest and accessing it only occasionally. Before opening a money market account, ask your bank about all fees and what triggers them. Read the account agreement, or at least the fee schedule, so you know what to expect.

Frequently Asked Questions

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

Technically yes, but it is not practical. The six-withdrawal limit will restrict your ability to pay bills and make purchases. If you exceed the limit, you will face fees or account restrictions. Use a checking account for daily spending and a money market account for money you want to earn interest on.

What counts as a withdrawal from a money market account?

Any movement of money out of the account counts: checks you write, debit card purchases, ATM withdrawals, transfers to another account, and automatic bill payments. Deposits do not count. Once you hit six outgoing transactions in a month, further withdrawals may be blocked until the next month starts.

Do I need a separate checking account if I have a money market account?

Yes, if you want to pay bills and make regular purchases. A money market account is not designed for frequent transactions. Most people who open a money market account also have a checking account for everyday spending and a money market account for savings or emergency funds.

Why do banks require a higher minimum balance for money market accounts?

The higher minimum reflects the account's purpose: holding larger sums of money that earn interest. Banks want to ensure the account is profitable for them to maintain. If you have less than $2,500 to set aside, a regular savings account is a better fit.

Can the interest rate on a money market account change?

Yes. Money market account rates are not fixed and change based on Federal Reserve policy and your bank's decisions. You should check your bank's current rate periodically and compare it to other banks. Some banks offer higher rates to new customers or customers who maintain larger balances.