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 typically pays interest higher than a regular savings account, but lower than a certificate of deposit (CD). In exchange for that higher rate, the account usually requires a larger opening deposit — often $2,500 to $25,000, though this varies by institution — and limits how many withdrawals you can make each month.
The account gives you check-writing privileges or a debit card, so you can access your money more easily than you would with a CD. However, federal rules cap the number of certain types of withdrawals at six per month. If you exceed that limit, the bank can charge a fee, reduce your rate, or close the account. This makes a money market account useful for people who want better returns than savings accounts offer but need occasional access to their cash.
Key Takeaways
- Money market accounts pay higher interest than savings accounts but require a larger minimum deposit, typically between $2,500 and $25,000.
- You can write checks or use a debit card to withdraw money, but federal rules limit certain withdrawals to six per month.
- Interest rates on money market accounts vary by bank and change with market conditions, so comparing rates across institutions matters.
- Your deposits are insured up to $250,000 per account holder per bank through the FDIC or NCUA, making them as safe as regular savings accounts.
How the interest rate works
Money market accounts offer variable interest rates, meaning the rate can change at any time. Banks set their rates based on the federal funds rate, which the Federal Reserve adjusts periodically. When the Fed raises rates, banks typically raise money market rates within weeks. When the Fed cuts rates, banks usually do the same.
The actual rate you receive depends on the bank or credit union, your account balance, and current market conditions. A bank with $50 billion in assets might offer 4.50% while a smaller credit union offers 4.75% on the same type of account. Online banks often pay higher rates than brick-and-mortar banks because they have lower overhead costs. You should compare rates across at least three to five institutions before opening an account, since the difference between 4.25% and 4.75% adds up over time.
Withdrawal limits and how they affect you
Federal Regulation D historically capped certain withdrawals at six per month, though this rule was suspended during the pandemic and later modified. As of now, most banks no longer enforce a hard six-withdrawal limit, but many still reserve the right to restrict withdrawals or charge fees if you treat the account like a checking account. Some institutions have removed limits entirely; others maintain them.
Before opening an account, ask the bank directly about its withdrawal policy. The limit typically applies to transfers, automatic payments, and phone or online withdrawals — not to in-person withdrawals at a branch or ATM. If you need to withdraw money frequently, a regular savings account or checking account may be a better fit. Understanding the specific rules at your chosen bank prevents surprises later.
Minimum deposits and balance requirements
Most banks require an initial deposit of at least $2,500 to open a money market account, though some require $5,000, $10,000, or more. A few online banks have lowered minimums to $1,000 or even $500 to compete for customers. Some institutions also impose a minimum balance requirement — if your balance drops below that threshold, you may lose the advertised interest rate or be charged a monthly fee.
Read the account terms carefully. A bank might advertise a 4.80% rate but only pay it on balances of $100,000 or higher. Smaller balances might earn 4.25%. If you have $15,000 to deposit, confirm that you will receive the stated rate on that amount before you open the account. This detail makes a real difference in how much interest you actually earn.
Money market accounts versus savings accounts and CDs
| Feature | Money Market Account | Savings Account | Certificate of Deposit (CD) |
|---|---|---|---|
| Typical interest rate | 4.25% to 5.35% | 3.50% to 4.75% | 4.50% to 5.50% |
| Minimum deposit | $2,500 to $25,000 | $0 to $500 | $500 to $2,500 |
| Check-writing or debit card | Yes | No | No |
| Withdrawal flexibility | Limited (6 per month, varies by bank) | Unlimited | Locked for term; early withdrawal penalty |
| FDIC/NCUA insured | Yes, up to $250,000 | Yes, up to $250,000 | Yes, up to $250,000 |
A money market account sits between a savings account and a CD in terms of both rate and flexibility. If you have a large sum you want to keep accessible but don't need to touch it often, a money market account pays better than a savings account. If you can lock money away for a fixed term — say, 12 months or 18 months — a CD often pays more. If you need unlimited access without restrictions, a savings account is simpler, though the rate will be lower.
The choice depends on your timeline and how often you expect to need the money. Money market accounts work best for people who have a specific goal — like saving for a down payment in 18 months — but want the flexibility to access funds if circumstances change.
FDIC and NCUA insurance protection
Money market accounts at banks are insured by the Federal Deposit Insurance Corporation (FDIC) up to $250,000 per depositor per institution. If you have a money market account at a credit union, it is insured by the National Credit Union Administration (NCUA) under the same $250,000 limit. This means your principal and accrued interest are protected if the bank or credit union fails.
If you have more than $250,000 to deposit, you can open accounts at multiple banks or credit unions to stay within the insurance limit at each one. For example, $250,000 at Bank A and $250,000 at Bank B are both fully insured. Money market accounts are as safe as regular savings accounts in this regard. The insurance covers the account itself, not the interest rate — if rates fall, your rate falls with it, but your money is never at risk.
When a money market account makes sense for your situation
A money market account works well if you have a lump sum of $5,000 or more that you want to earn interest on but may need to access within the next year or two. Examples include a tax refund you are saving for a car down payment, an inheritance you have not yet decided how to use, or an emergency fund above what you keep in a checking account.
It is less useful if you need to withdraw money frequently, have less than $2,500 to save, or can commit your money to a CD for a set period. It is also worth reconsidering if your bank's withdrawal limits are strict or if the rate difference between their money market account and savings account is very small — sometimes the extra restrictions are not worth an extra 0.25% in interest. Compare what you gain in interest against what you lose in flexibility.
Frequently Asked Questions
Can I lose money in a money market account?
No. Your principal is insured and protected. The interest rate changes, but your deposit itself does not go down. If rates fall, you simply earn less interest going forward, not a negative return.
What happens if I withdraw more than the limit?
Policies vary. Some banks charge a fee per excess withdrawal (typically $10 to $25). Others may reduce your interest rate or close the account if you repeatedly exceed the limit. A few have removed limits entirely. Check your bank's terms before opening the account.
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 or NCUA. A money market fund is an investment product sold by brokerages and mutual fund companies, and it is not insured. They are different products with different risks.
Should I open a money market account or a CD?
Choose a CD if you can lock your money away for the full term and want the highest rate. Choose a money market account if you might need access before the term ends or want check-writing flexibility. CDs usually pay more, but money market accounts offer more freedom.
Do I pay taxes on money market account interest?
Yes. Interest earned is taxable income and must be reported on your federal tax return. The bank will send you a Form 1099-INT if you earn $10 or more in interest during the year.