A money market account is a hybrid between a savings account and a checking account, offered by banks and credit unions
A money market account (MMA) combines features of both. You get a savings account's higher interest rate, but you can also write checks or use a debit card like a checking account. The tradeoff is that banks limit how many withdrawals you can make each month — usually six — and they require a higher opening balance than a regular savings account.
The account is called "money market" because banks use your deposited money to invest in short-term, low-risk securities like Treasury bills and commercial paper. Those investments generate the higher interest rate they pay you. The rate changes monthly or quarterly based on market conditions, so your earnings are not fixed.
Money market accounts are FDIC-insured at banks and NCUA-insured at credit unions, meaning your balance is protected up to $250,000 if the institution fails. This makes them safer than investing directly in the money market yourself.
Key Takeaways
- Money market accounts pay higher interest than regular savings accounts but require a larger minimum balance, often $2,500 to $25,000 depending on the bank.
- You can write checks and use a debit card, but banks restrict you to six withdrawals per month; exceeding this limit triggers fees or account closure.
- Interest rates fluctuate monthly or quarterly based on market conditions, so your earnings are not may provide to stay the same.
- Money market accounts are FDIC or NCUA insured, protecting your money if the bank or credit union fails.
- A money market account makes sense if you have a lump sum you want to earn interest on while keeping it accessible, but not if you need frequent withdrawals.
Minimum balance requirements and how they affect your choice
Most banks require you to maintain a minimum balance to open a money market account and to avoid monthly fees. That minimum varies widely — some online banks ask for $2,500, while others require $10,000 or $25,000. If your balance drops below the minimum, the bank typically charges a monthly fee of $10 to $25, or sometimes closes the account.
A few banks waive the minimum if you set up automatic monthly deposits or maintain a linked checking account with them. Before opening an account, check the bank's fee schedule and minimum requirements on their website — these are not standardized, and shopping around can save you money if you have a smaller balance.
How the withdrawal limit works and what happens if you exceed it
Federal rules once capped money market account withdrawals at six per month, but that rule was suspended in 2020. However, most banks still enforce their own six-withdrawal limit in their account agreements. This includes checks you write, debit card transactions, transfers to other accounts, and ATM withdrawals — all count toward the limit.
If you exceed the limit, the bank may charge a fee per excess withdrawal (usually $10 to $25), or they may convert your account to a regular savings account, which typically pays lower interest. Some banks simply close the account. Read your bank's specific policy before opening the account, because the consequences vary.
This withdrawal cap is why money market accounts work best for money you want to keep accessible but not touch often. If you need to withdraw money multiple times a month, a regular savings account or checking account is a better fit.
Interest rates and how they compare to other accounts
Money market accounts currently pay higher interest than regular savings accounts at most banks. As of early 2024, online banks offer money market rates between 4% and 5% annual percentage yield (APY), while traditional brick-and-mortar banks often pay 0.5% to 1.5%. Regular savings accounts at those same traditional banks typically pay 0.01% to 0.05%.
The rate you receive depends on the bank, your balance, and current market conditions. Banks adjust rates monthly or quarterly, so the rate you lock in today may be lower or higher next month. Some banks offer tiered rates — a higher APY if your balance exceeds a certain threshold, like $50,000.
Online banks generally pay more than traditional banks because they have lower overhead costs. If you are comparing accounts, use the APY figure (annual percentage yield), not the interest rate, because APY includes compounding and shows the true annual return.
When a money market account makes sense for your situation
A money market account works well if you have a sum of money — such as a tax refund, bonus, or emergency fund — that you want to earn interest on while keeping it accessible. The higher rate beats a regular savings account, and you can still write checks or use a debit card if you need the money.
It is less useful if you make frequent withdrawals, carry a small balance, or need unlimited access to your money. If you withdraw more than six times a month regularly, the fees will eat into your interest earnings. If your balance is under $2,500, the minimum balance requirement may disqualify you or cost you in monthly fees.
A money market account also makes less sense if you are saving toward a specific short-term goal and plan to withdraw the full amount soon. In that case, a high-yield savings account with no withdrawal limits and no minimum balance may serve you better, even if the rate is slightly lower.
Money market accounts versus money market funds
Do not confuse a money market account with a money market fund, which is an investment product sold by brokerages and investment firms. A money market fund is not a bank account and is not FDIC-insured. It invests your money in short-term securities, and the value can fluctuate slightly. Money market funds are riskier and less liquid than money market accounts.
A money market account is a bank product with FDIC insurance, a fixed balance, and limited but real access to your money. A money market fund is an investment with no insurance and no may provide of principal. If you see "money market" in a bank's product name, it is almost certainly an account, not a fund.
How to open a money market account
To open a money market account, visit a bank or credit union's website or branch and look for their money market account product. You will need to provide your Social Security number, proof of identity, and an initial deposit to meet the minimum balance requirement. Most banks let you open online in 10 to 15 minutes.
Before you open, compare rates and fees across at least three institutions. Check the minimum balance, monthly fees, withdrawal limits, and current APY. Online banks typically offer higher rates, but if you prefer in-person service, a local credit union may offer competitive rates with lower minimums.
Once your account is open, you will receive a debit card and checks. Set a reminder to review the account quarterly — if the bank's rate drops significantly below competitors, consider moving your money to a higher-paying account.
Frequently Asked Questions
Can I use a money market account as my main checking account?
Technically yes, because you can write checks and use a debit card. However, the six-withdrawal limit makes it impractical if you spend frequently. Most people use a money market account to hold savings and a separate checking account for daily spending.
What happens to my interest if I fall below the minimum balance?
The bank will charge you a monthly fee (usually $10 to $25) instead of paying interest. Some banks also reduce your interest rate if your balance drops below the minimum. Check your bank's fee schedule to see the exact consequence.
Is my money safe in a money market account?
Yes, if the account is at an FDIC-insured bank or NCUA-insured credit union. Your balance is protected up to $250,000. Money market accounts are not investments, so your principal does not fluctuate.
Can I move money from a money market account to my checking account without penalty?
Transfers between your own accounts at the same bank usually do not count toward the six-withdrawal limit, though some banks count them. Confirm your bank's policy before opening the account. Transfers to accounts at other banks typically do count as withdrawals.
Should I choose a money market account or a high-yield savings account?
If you make frequent withdrawals, choose a high-yield savings account — it has no withdrawal limits and often pays a similar rate. If you rarely touch the money and want check-writing ability, a money market account may offer a slightly higher rate. Compare the APY at both account types at your bank before deciding.