A money market account (MMA) is a type of savings account offered by banks and credit unions that typically pays higher interest than a standard savings account while also giving you limited check-writing and debit card access. It combines some features of a checking account with the higher yield of a savings account.
How Money Market Accounts Work
You deposit money into the account, and the bank pays you interest — typically at a higher rate than a traditional savings account, though rates vary widely between institutions. Your money is FDIC-insured up to $250,000 per depositor, per bank (or NCUA-insured at credit unions).
The key difference from a standard savings account is the added liquidity: many money market accounts come with a debit card and checkwriting privileges, making it easier to access your money when needed without transferring to checking first.
Money Market Account vs. Savings Account
| Feature | Money Market Account | Savings Account |
|---|---|---|
| Interest rate | Often higher | Often lower |
| Minimum balance | Usually $1,000–$10,000 | Often $0–$100 |
| Check writing | Usually yes | No |
| Debit card access | Often yes | No |
| Withdrawal limits | Historically 6/month (now relaxed) | Same |
| FDIC insured | Yes | Yes |
Money Market Account vs. High-Yield Savings Account
This comparison is more nuanced. Today, many high-yield savings accounts (HYSAs) at online banks offer rates that match or beat money market accounts — often 4% to 5% APY in 2024 — without the high minimum balance requirements. The main advantage of a money market account over a HYSA is the added transaction flexibility (checks, debit card).
If you just want the best yield and don’t need check-writing access, a high-yield savings account may be the better choice. If you want yield plus easy access without always transferring to checking, an MMA could be worth it.
Money Market Account vs. Money Market Fund
These sound similar but are very different:
- Money market account: A bank deposit product. FDIC-insured. Your principal is safe.
- Money market fund: A mutual fund that invests in short-term, low-risk securities like Treasury bills and commercial paper. Offered through brokerages. Not FDIC-insured (though very safe in practice). Often used to hold uninvested cash in brokerage accounts.
Both are low-risk, but the bank account has deposit insurance while the fund does not.
What Are Current Money Market Account Rates?
Money market account rates are tied to the federal funds rate. When the Fed raises rates, MMA rates rise. When the Fed cuts rates, MMA rates fall. Rates vary widely between institutions — traditional brick-and-mortar banks often offer 0.1% to 0.5%, while online banks routinely offer 4% to 5% APY. Always shop around before opening an account.
Minimum Balance Requirements
Money market accounts typically require higher minimum balances than savings accounts — often $1,000 to $10,000 to open the account or avoid monthly fees. Some banks waive the fee if you maintain the minimum balance. Read the fine print carefully. An account that pays 4.5% APY but charges a $15 monthly fee when you dip below $5,000 could be a poor deal for small balances.
Are Money Market Accounts Safe?
Yes. As long as your balance stays within FDIC insurance limits ($250,000 per depositor, per bank), your money is safe even if the bank fails. This is the same protection that applies to checking and savings accounts. Money market accounts carry essentially zero risk to your principal.
Who Should Use a Money Market Account?
Money market accounts work well for:
- Emergency funds: Safe, liquid, earns interest, and debit access means you can use it in an emergency without a transfer
- Short-term savings goals: Saving for a down payment, vacation, or large purchase over 6 to 24 months
- Idle cash: Parking excess cash that earns more than a checking account but needs to remain accessible
Withdrawal Limits
Historically, Federal Reserve Regulation D limited savings and money market accounts to 6 transfers or withdrawals per month. The Fed suspended this limit in 2020, but many banks still impose their own limits. Check your bank’s policy — excessive withdrawals may trigger fees or a forced account conversion to checking.
Bottom Line
A money market account is a safe, flexible savings vehicle that often pays more than a standard savings account and provides check-writing access that regular savings accounts don’t offer. The tradeoff is usually a higher minimum balance requirement. Compare rates at online banks and credit unions, where money market accounts consistently outperform traditional bank offerings. For pure yield with no minimum balance, a high-yield savings account may be a better fit.