Money market account minimums range from $0 at online banks like Ally and Quontic to $100,000+ for premium tiers at large traditional banks — and the monthly fees for falling below those minimums can run $7–$30/month. The best money market accounts in 2026 are at online banks: they offer $0 minimums, no monthly fees, and APYs of 4.00–5.01% with check-writing access. Traditional bank money market accounts only make sense if you have $25,000+ and need the relationship banking features of a branch network. For the full APY comparison, see best money market accounts and best high-yield savings accounts.
Money Market Minimums: Complete Comparison
No-Minimum Money Market Accounts ($0 to Open)
These accounts require no minimum to open and charge no monthly fee regardless of balance. They’re the right default for most savers who want check-writing access without locking up capital to avoid fees.
| Bank | APY | Min. to Open | Min. Balance | Monthly Fee | Check Writing |
|---|---|---|---|---|---|
| Ally Bank | 4.00–4.20% | $0 | $0 | $0 | Yes |
| Sallie Mae | 4.10–4.40% | $0 | $0 | $0 | No |
| Discover | 3.75–4.25% | $0 | $0 | $0 | Yes |
| Capital One (360 Performance Savings) | 4.00–4.25% | $0 | $0 | $0 | No |
| EverBank | 4.50–4.75% | $0 | $0 | $0 | Yes |
Capital One doesn’t offer a labeled money market account — its 360 Performance Savings serves the same role with competitive rates and no minimums. For a detailed look at Ally’s full account offering, see the Ally Bank review. For Capital One’s full product line, see the Capital One 360 review.
Low-Minimum Money Market Accounts ($100–$2,500)
| Bank | APY | Min. to Open | Min. for Top Rate | Monthly Fee | Fee Waiver |
|---|---|---|---|---|---|
| CIT Bank | 4.25–4.70% | $100 | $5,000 | $0 | N/A |
| Quontic | 4.50–5.00% | $100 | $0 (flat rate) | $0 | N/A |
| First Internet Bank | 4.00–4.50% | $100 | $0 (flat rate) | $0 | N/A |
| UFB Direct | 4.01–5.06% | $0 | Tiered | $0 | N/A |
| Vio Bank | 4.50–5.01% | $100 | $0 (flat rate) | $0 | N/A |
| TIAA Bank | 4.00–4.50% | $500 | $0 (flat rate) | $0 | N/A |
Quontic and Vio Bank stand out at this tier — both offer some of the highest flat rates available on money market accounts with only a $100 minimum. CIT Bank’s rate structure is tiered, so balances under $5,000 earn a lower rate; for balances above $5,000, it becomes competitive. See best online banks for broader comparisons across these institutions.
Big Bank Money Market Accounts ($2,500+)
| Bank | Account | Min. to Open | Min. for Best Rate | Monthly Fee | Fee Waiver |
|---|---|---|---|---|---|
| Bank of America | Platinum Honors MMA | $100,000 | $100,000+ | $0 (with Preferred Rewards) | Preferred Rewards |
| Wells Fargo | Platinum Savings | $25 | $25,000+ | $12 | $3,500 min. daily |
| Citibank | Savings Plus | $0 | $200,000+ for top tier | $30 | $30,000 combined |
| US Bank | Platinum MMA | $0 | $25,000+ | $10 | $10,000 balance |
| PNC | Money Market | $0 | Varies | $7 | $2,000 average |
| Truist | Money Market | $0 | $50,000+ | $12 | $2,500 min. daily |
| TD Bank | Money Market | $0 | $250,000+ | $12 | $2,500 min. daily |
| Regions | Money Market | $0 | $10,000+ | $12 | $2,500 average |
Big bank money market accounts have extremely low rates at typical balance levels — Citibank’s top tier requires $200,000+, and TD Bank’s best rate requires $250,000+. For most savers with $5,000–$100,000, an online bank pays 5–10x more interest than these accounts. The only reason to use a big bank money market is if you need branch access and already maintain large combined balances that qualify for fee waivers. For a full breakdown of what big banks charge, see bank fees comparison.
How Money Market Tiers Work
Most money market accounts at traditional banks use tiered interest rates that reward higher balances with higher APYs. Online banks are more likely to offer flat rates on every dollar.
Tiered Rate Example (Traditional Bank)
| Balance Tier | APY | Annual Interest (at tier max) |
|---|---|---|
| $0–$9,999 | 0.50% | $50 |
| $10,000–$24,999 | 2.00% | $500 |
| $25,000–$49,999 | 3.50% | $1,750 |
| $50,000–$99,999 | 4.00% | $4,000 |
| $100,000–$249,999 | 4.50% | $11,250 |
| $250,000+ | 4.75% | $11,875+ |
Flat Rate Example (Online Bank — No Tiers)
| Balance | APY | Annual Interest |
|---|---|---|
| $1,000 | 4.20% | $42 |
| $10,000 | 4.20% | $420 |
| $25,000 | 4.20% | $1,050 |
| $100,000 | 4.20% | $4,200 |
Flat-rate money market accounts are better for balances under $50,000. At $25,000, a 4.20% flat rate earns $1,050/year — compared to $875/year at a tiered bank with a 3.50% tier for the $25,000–$49,999 range. Tiered accounts only become competitive when you reach the higher balance tiers, and even then the online flat-rate alternatives often remain superior. See money market rates for the current rate landscape.
Money Market vs. High-Yield Savings: Minimums Compared
The decision between a money market account and a high-yield savings account comes down to whether you need check-writing access and how much your balance is. See money market vs savings for a deeper comparison.
| Feature | Money Market (Typical) | High-Yield Savings (Typical) |
|---|---|---|
| Min. to open | $0–$2,500 | $0–$100 |
| Min. for best rate | $25,000–$100,000 (tiered banks) | $0 (flat-rate banks) |
| Monthly fee | $0–$30 | $0 |
| Check writing | Yes | No |
| ATM/debit access | Yes (often) | No (usually) |
| APY range | 3.50–5.00% | 4.00–5.10% |
| FDIC insured | Yes | Yes |
When a money market beats a savings account:
- You need check-writing access to your savings
- You want ATM access without a linked checking account
- You have $50,000+ and the tiered rate exceeds flat-rate HYSA rates
When a savings account beats a money market:
- You have under $25,000 (flat-rate HYSA is simpler and often higher APY)
- You don’t need check-writing
- You want the simplest account with zero minimums
For those who qualify for no-fee, no-minimum accounts across the board, see no-fee, no-minimum banks. For a side-by-side rate view, see HYSA vs CD vs money market. And for the full high-yield savings picture, see high-yield savings minimums.
Money Market Fees: What to Watch For
Monthly Maintenance Fees
| Category | Typical Fee | How to Avoid |
|---|---|---|
| Online banks | $0 | No fees to avoid |
| Big banks | $7–$30/month | Maintain $2,500–$30,000 minimum balance |
| Credit unions | $0–$5/month | Varies by credit union |
Other Potential Fees
| Fee | Big Banks | Online Banks |
|---|---|---|
| Below minimum balance | $7–$30/month | $0 |
| Excess transactions (over 6/month) | $0–$10 per transaction | $0 (most have removed limits) |
| Wire transfers (outgoing) | $25–$45 | $0–$25 |
| Check orders | $15–$30 | $0–$15 |
| Account closing (within 90–180 days) | $0–$25 | $0 |
The monthly maintenance fee is the most important fee to watch at traditional banks — Citibank’s $30/month fee equals $360/year if you don’t maintain the $30,000 combined balance. That’s $360 in fees before earning a single dollar of interest. Online banks have eliminated this fee entirely. For strategies to eliminate bank fees at any institution, see how to avoid bank fees.
Best Money Market Accounts by Balance
Balance Under $5,000
| Best Choice | Why |
|---|---|
| Ally Money Market | $0 minimum, 4.20% flat rate, check writing included |
| Or a flat-rate HYSA | Simpler product, same or better rate, no check-writing overhead |
Balance $5,000–$25,000
| Best Choice | Why |
|---|---|
| Ally or Sallie Mae | Flat-rate 4%+ on full balance, $0 minimum |
| Quontic or Vio | Higher APY (4.50–5.00%), $100 minimum |
Balance $25,000–$100,000
| Best Choice | Why |
|---|---|
| CIT Bank or EverBank | Higher rates at this tier, low minimum |
| Discover | Check-writing access, $0 minimum |
| Consider splitting | $50K HYSA + $50K money market for diversification and FDIC planning |
Balance $100,000+
| Best Choice | Why |
|---|---|
| Split across 2+ FDIC-insured banks | Stay within $250K FDIC limit per bank per ownership category |
| Mix of HYSA + money market + T-bills | Different tax treatment and liquidity profiles |
| Money market funds at Fidelity/Schwab | Government MMFs yield 4.95–5.00%, often state-tax-exempt |
At $100,000+, FDIC coverage planning becomes essential — see best checking accounts for institutions with joint account structures that can double FDIC protection. The full guide to savings strategies is at savings guide.
Money Market Accounts at Credit Unions
Credit union money market rates are generally lower than online banks but come with community banking benefits and often lower loan rates for members.
| Credit Union | APY | Minimum | Monthly Fee | Who Can Join |
|---|---|---|---|---|
| Alliant | 3.00–3.50% | $0 | $0 | Anyone ($5 savings deposit) |
| Navy Federal | 0.50–3.00% | $0 | $0 | Military/DoD affiliated |
| PenFed | 1.00–2.50% | $0 | $0 | Anyone |
| Lake Michigan CU | 3.00–4.00% | $0 | $0 | Anyone ($5 membership) |
| Consumers CU | Up to 5.00% | $0 | $0 | Anyone (with checking requirements for top rate) |
Consumers CU’s top rate of up to 5.00% is contingent on meeting checking account usage requirements — verify the current terms before opening. For most members, the rate advantage of online banks outweighs the community benefits of credit unions for pure savings products.
Money Market Funds vs. Money Market Accounts
These are completely different products despite similar names. The key difference is FDIC insurance and where you open the account.
| Feature | Money Market Account | Money Market Fund |
|---|---|---|
| What it is | Bank deposit account | Mutual fund |
| FDIC insured | Yes, up to $250K | No |
| Where to open | Banks and credit unions | Brokerages (Fidelity, Schwab, Vanguard) |
| Yield | 3.50–5.00% | 4.50–5.25% |
| Check writing | Yes | Yes (at some brokerages) |
| Risk | None (insured) | Extremely low but not zero |
| Tax treatment | Federal + state income tax | Federal income tax; some state-tax-exempt |
| Minimum | $0–$100,000 | $0–$3,000 (varies by fund) |
| Best for | Insured savings with check access | Higher yield, tax-exempt options |
Government money market funds — like Fidelity Government Money Market (~4.95%) or Vanguard Federal Money Market (~5.00%) — hold US Treasury securities and are often state-tax-exempt. For a resident of California (13.3% top marginal state rate) or New York (10.9%), state-tax-exempt yield is worth an additional 0.50–0.65% in effective after-tax return compared to a taxable bank money market account. This makes MMFs particularly attractive for high earners in high-tax states with large cash holdings.
The Bottom Line
| Balance Level | Best Money Market | APY | Minimum |
|---|---|---|---|
| Under $5,000 | Ally (or use HYSA instead) | 4.20% | $0 |
| $5K–$25K | Quontic or Vio Bank | 4.50–5.01% | $100 |
| $25K–$100K | CIT Bank or EverBank | 4.25–4.75% | $100 |
| $100K+ | Split across banks + money market funds | 4.50–5.25% | Varies |
Money market accounts make the most sense when you need check-writing access to savings or you maintain $25,000+ and can take advantage of tiered rates. For most people with under $25,000, a flat-rate high-yield savings account is simpler, pays equally well, and has no minimums to worry about. See minimum balance requirements by bank for how money market minimums compare to checking and savings account thresholds, and best savings accounts for the full savings landscape.
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