Earn 4.65%* APY on your cash
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When you open a Cash Account offered by Atomic Brokerage, and deposit funds within 14 days, you can earn a boosted 4.65% APY on balances up to $250,000 for the first 6 months.
Paid Non-Client Promotion
Four potential benefits when choosing a Cash Account
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Competitive APY
The Cash Account distributes your cash across multiple program banks and helps you earn a competitive yield.
No account fees or balance minimums
With no account balance minimums or fees, you can start earning interest when you deposit as little as $1.
Access to funds
Cash in your account is typically available at any time, making it a convenient option for an emergency or rainy day fund. Withdrawal times can vary based on processing times and other limitations.
FDIC insurance**
Because your money will be spread across a network of program banks, you are able to have up to $2.5 million in FDIC insurance** (subject to coverage limits and eligibility requirements). That’s 10 times what a single bank offers.
What sets a Cash Account apart
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CASH ACCOUNT | HIGH-YIELD SAVINGS ACCOUNT | INDUSTRY STANDARD CASH ACCOUNTS | |
---|---|---|---|
APY | 4.65% for the first six months on your first 250K in deposits; 4.00% after the introductory period. | Typically 4.00% | Typically 4.00% |
MINIMUM DEPOSIT | $0 | Typically $0 - $500 | Typically $0 |
NUMBER OF WITHDRAWALS | Unlimited | Often limited to 6 per month | Typically unlimited |
FDIC INSURANCE | Up to $2.5 million** | Up to $250,000 | Up to $1.25 - 8 million |
The information above is accurate as of 08/04/2025, but may change without notice. High-Yield Savings Account information was taken from https://www.nerdwallet.com/best/banking/high-yield-online-savings-accounts, and industry standard cash account information was taken from https://www.nerdwallet.com/best/banking/cash-management-accounts.
How to start earning
1
Open your account
Open your Cash Account offered by Atomic Brokerage and link it to your NerdWallet account to see all your money in one place.
2
Deposit Funds
Deposit any amount of money into your account, then set up recurring deposits to help build up your balance.
3
Start earning
Sit back while your money makes money. You’ll earn 4.65%* APY for 6 months on your first $250K in deposits, and a standard 4.00% APY after that.
FAQs
The Cash Account is offered through NerdWallet’s partnership with Atomic Brokerage. You’ll earn a boosted APY of 4.65%* on cash for the first 6 months up to $250,000. After the 6 months and/or once you exceed the $250,000 limit, you’ll earn a 4% APY. Here’s what else you get:
• Up to $2.5 million** in FDIC insurance at program banks
• No account minimums
• Unlimited deposits and withdrawals
• No account fees
Once you fund your Cash Account offered by Atomic Brokerage within 14 days with at least $1, you’ll earn a boosted 4.65% APY* on your cash for 6 months on all deposits on up to $250,000 total. After the first six months and/or after hitting the $250,000 limit, you’ll earn a 4% APY.
There are no account fees.
Your interest accrues daily on your current balance and is paid out monthly. Deposit your money, sit back, and watch it grow month over month.
Funds in your Atomic Cash Account are deposited into one or more cash sweep program banks insured by the Federal Deposit Insurance Corporation (FDIC). While in transit to or from these program banks–or temporarily held in your Cash Account before transfer–funds are not FDIC insured.
Once deposited at the program banks, your funds are eligible for FDIC insurance coverage up to $2,500,000, based on the standard limit of $250,000 per depositor, per insured bank, per account ownership category (subject to applicable coverage limits and eligibility). Please note that funds held in your Atomic Cash Account are not protected by SIPC because they are not used to purchase securities.
*The boosted 4.65% Annual Percentage Yield (APY) is offered on up to $250,000 in deposits for the first 6 months when you open a Cash Account offered by Atomic Brokerage LLC and deposit funds within 14 days. Balances above $250,000 will earn the standard 4.00% APY. After the 6 month introductory period, all balances will earn the standard 4.00% APY.
The 4.65% boosted introductory APY is available through NerdWallet’s promotional program. APYs are accurate as of 07/14/2025 and are subject to change without notice.
** Funds in your Atomic Cash Account are deposited into one or more cash sweep program banks insured by the Federal Deposit Insurance Corporation (FDIC). While in transit to or from these program banks–or temporarily held in your Cash Account before transfer–funds are not FDIC insured.
Once deposited at the program banks, your funds are eligible for FDIC insurance coverage up to $2,500,000, based on the standard limit of $250,000 per depositor, per insured bank, per account ownership category (subject to applicable coverage limits and eligibility). Please note that funds held in your Atomic Cash Account are not protected by SIPC because they are not used to purchase securities.
NerdWallet has an engagement with Atomic Brokerage LLC (“Atomic Brokerage”), a registered broker-dealer and member of FINRA/SIPC, to bring you the opportunity to open a brokerage account (“Cash Account”) in which cash is swept into unaffiliated bank deposit accounts opened for you by, and in the name of Atomic Brokerage as agent and custodian. For more details about Atomic Brokerage, please see their Form CRS, Atomic Brokerage General Disclosures, Privacy Policy and fee schedule. Check the background of Atomic Brokerage on FINRA’s BrokerCheck. Neither Atomic Brokerage, nor any of its affiliates, is a bank.
The Atomic Cash Sweep ("Cash Sweep") is a product offered by Atomic Brokerage that allows clients to earn interest on the available cash in their Atomic Brokerage account. Through Cash Sweep, clients' funds are deposited into an interest-bearing deposit account (“Deposit Account”) at one or more banks ("Program Banks"), where the funds earn a variable interest rate and are eligible for FDIC insurance coverage.
The annual percentage yield (APY) on the deposit balances in Cash Sweep is variable and subject to changes. Clients’ actual APY may be lower if they designate certain banks as ineligible to receive their deposits. The Program Bank list may change over time. For a current list of the Program Banks at any point in time, please refer to Atomic Brokerage’s website or contact Atomic Brokerage. Atomic Brokerage and third parties receive a fee for the Atomic Cash Sweep program.
For more details about Cash Sweep, see the full Atomic Brokerage LLC Cash Sweep Program Terms & Conditions.