The Fidelity Cash Management Account has no minimum balance requirement and no monthly fee. You can open the account with $0 and access every feature at any balance level. Among banking products, its most distinctive feature is FDIC coverage of up to $5 million per account, achieved by sweeping deposits across a network of more than 20 partner banks.
Fidelity Account Minimums at a Glance
| Account | Minimum to Open | Ongoing Minimum | Monthly Fee | ATM Reimbursement |
|---|---|---|---|---|
| Cash Management Account | $0 | $0 | $0 | Unlimited worldwide |
| Fidelity money market funds (SPAXX, FDLXX) | $0 | $0 | $0 | N/A |
No Minimum Balance on the Cash Management Account
The Fidelity Cash Management Account operates like a checking account but is held at Fidelity, which is a brokerage rather than a bank. Because there is no monthly fee, there is no minimum balance threshold to maintain. The account pays a debit Visa card, includes mobile check deposit, and reimburses all ATM fees charged by any machine worldwide with no cap and no minimum balance requirement to qualify.
This is meaningfully different from traditional bank checking accounts, where ATM fee reimbursements are typically restricted to premium account tiers with high balance requirements. At Fidelity, the same reimbursement applies to a $50 balance as to a $500,000 balance.
FDIC Coverage Up to $5 Million
Fidelity sweeps Cash Management Account balances into a program of FDIC-insured partner banks. Each partner bank provides up to $250,000 in FDIC coverage per account type. With more than 20 banks in the sweep program, the effective FDIC coverage reaches approximately $5 million per account. This applies regardless of balance, meaning even a small balance is fully FDIC-insured through the sweep network.
Standard FDIC coverage at a single bank is $250,000 per depositor per account type. For customers who maintain large cash positions, the Fidelity sweep program provides substantially more FDIC protection than a single-bank deposit account.
Earning Interest Through Money Market Funds
The Cash Management Account itself earns minimal direct interest on the uninvested cash balance. Most customers link the account to a Fidelity government money market fund, most commonly SPAXX (Fidelity Government Money Market Fund) or FDLXX (Fidelity Treasury Money Market Fund). These funds earn approximately 4 to 5 percent annualized and have no minimum investment requirement. The money market fund balance remains available for spending and is transferred back to the core account automatically when a debit transaction posts.
This structure means the effective yield on a Fidelity Cash Management Account can be competitive with high-yield savings accounts, with the added benefit of unlimited ATM reimbursement and multi-bank FDIC coverage.
What the Account Does Not Include
Fidelity Cash Management Account does not include paper check writing by default, though checks can be ordered for a fee. Customers who regularly write physical checks may find this a limitation compared to traditional checking accounts. The account also does not accept cash deposits at a teller window, as Fidelity does not operate traditional bank branches. Cash can be deposited via ATM at select locations or by mailing a check.
For a full overview of Fidelity banking features, see the Fidelity banking guide.
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