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Sweep Accounts

Finder's regular analysis identifies the best brokers for earning interest on your uninvested cash.

Sweep accounts provide a simple way to put idle cash to work. Investors who already have brokerage or retirement accounts can use sweep accounts to generate small returns on cash that would otherwise sit unused. If you’re looking to optimize every part of your portfolio, a sweep account could be an ideal way to make the most of uninvested cash.

What is a cash sweep account?

A cash sweep account is an automated feature offered by banks and brokerages to move uninvested cash into an interest-bearing account, such as a money market fund or a bank deposit account.

This process, which often happens at the close of each business day, ensures that your idle cash earns a return without any manual input required. By sweeping funds into a safe, interest-bearing vehicle, these accounts help you make the most of your cash reserves while keeping them easily accessible for future investments.

Which brokerages offer sweep accounts?

Many brokerages offer sweep accounts, each with unique features and benefits tailored to different types of investors. Here are some of the best sweep account providers, each known for specific advantages.

Robinhood Gold

4.3
★★★★★

Finder score

3% IRA match
Go to site Read review
Stock trade fee$0
Minimum deposit$0
Signup bonusGet a free stock

eToro

4.3
★★★★★

Finder score

Copy crypto picks from top traders
Go to site Read review
Stock trade fee$0
Minimum deposit$0
Signup bonusFINDER EXCLUSIVE: Get a guaranteed $15 bonus and $10 in free crypto

Interactive Brokers

4.7
★★★★★

Finder score

Go to site Read review
Stock trade fee$0
Minimum deposit$0
Signup bonusN/A

Wealthfront

4.5
★★★★★

Finder score

Go to site Read review
Stock trade fee$0
Minimum deposit$500
Signup bonusGet $50

Moomoo

4.6
★★★★★

Finder score

Get 8.1% APY for 3 months on idle cash and up to 15 free stocks with qualified deposits. T&Cs apply.
Read review
Stock trade fee$0
Minimum deposit$0
Signup bonusGet up to 15 free stocks

Webull

4.7
★★★★★

Finder score

Earn up to 40 fractional shares and an extra 2% APY for 30 days when you open an account and make an initial deposit of the qualified amount. T&C apply.
Read review
Stock trade fee$0
Minimum deposit$0
Signup bonusEarn up to 40 fractional shares and an extra 2% APY for 30 days

Betterment

4.4
★★★★★

Finder score

Read review
Stock trade fee$0
Minimum deposit$10
Signup bonusN/A

Charles Schwab

4.5
★★★★★

Finder score

Read review
Stock trade fee$0
Minimum deposit$0
Signup bonusGet a $101 bonus

How to open a sweep account

Opening a sweep account is straightforward, especially if you already have an existing brokerage account with a provider that offers this feature. Here’s a step-by-step guide to help you set it up:

  1. Go to the provider’s website. Start by visiting the website of your chosen bank or brokerage that offers sweep accounts.
  2. Select the type of account. Navigate to the cash management or sweep account section, and choose the specific account type that fits your needs (e.g., individual brokerage, retirement, or other eligible accounts).
  3. Complete the application process. Fill out any necessary forms, provide required identification, and link your bank or brokerage account.
  4. Activate the sweep feature. Once your account is open, enable the cash sweep option. Some platforms automatically enable this, while others may require you to toggle it on in your account settings.
  5. Review terms and confirm settings. Make sure you understand any fees, minimum balance requirements, or interest rates associated with the sweep account, then confirm your settings to complete the setup.

Compare the best brokerage account cash sweep rates

BrokerCash sweep APY
RobinhoodUp to 4.25%
eToroUp to 4.55%
MoomooUp to 8.1%
Webull4.25%
Interactive BrokersUp to 4.33%
Wealthfront4.25%
Betterment4.25%
Charles Schwab0.10%

Benefits of a sweep account

A sweep account offers several advantages, allowing investors to maximize returns on idle cash while keeping it accessible. Here are some key benefits:

  • Requires minimal oversight. Once set up, a sweep account automatically transfers uninvested cash into an interest-bearing account, so you don’t need to manage the process manually.
  • Managing risk. Sweep accounts provide a secure place to park funds after selling higher-risk investments, offering a buffer during volatile market periods.
  • Easy liquidity. Funds in sweep accounts remain easily accessible, allowing you to quickly reinvest or withdraw when needed.
  • FDIC insurance. For bank sweep accounts, FDIC insurance covers balances up to the federal limit, adding a layer of security for your cash.
  • Potential for higher returns. Many sweep accounts offer higher APYs than traditional checking or savings accounts, helping your cash grow while it’s not actively invested.

What to watch out for

While sweep accounts offer convenience, there are some potential downsides to consider:

  • Fees eating into profits. Some sweep accounts have monthly maintenance fees, which can reduce returns. Certain brokerages may also charge fees based on a percentage of your average daily balance.
  • Returns may vary. Interest rates on sweep accounts can fluctuate with market conditions, and some accounts offer relatively low APYs, which may not yield significant returns compared to other investment options.
  • Limited investment growth. While sweep accounts provide a small return on uninvested cash, they’re not designed for high growth. Investors looking for significant returns might find more benefit in traditional investments.
  • Restrictions on access. Some sweep accounts have minimum balance requirements or may limit access to certain account types, which can restrict flexibility.

Bottom line

Sweep accounts provide a smart, hands-off way for investors to earn modest returns on idle cash while keeping it ready for future investments.

With the right provider, you can optimize your uninvested funds without ongoing effort. Compare providers based on interest rates, fees and account features to find the sweep account that best supports your financial goals, and start putting your cash to work today.

Frequently asked questions

What do I do with uninvested cash in my brokerage account?

Uninvested cash in a brokerage account typically sits idle and doesn’t earn any returns unless moved to an interest-bearing account. Many investors choose to activate a cash sweep account, which automatically transfers idle cash into a high-yield account or money market fund to earn interest.

Alternatively, you could consider short-term investment options like Treasury bills or money market funds outside your brokerage, depending on your financial goals.

Where is the best place to put uninvested cash?

The best place for uninvested cash depends on your priorities. Sweep accounts are ideal if you want your funds to remain accessible for trading or immediate investments while earning modest interest.

For higher yields, high-yield savings accounts or money market accounts can offer better returns, although they may have some access limitations. If you’re open to slightly more risk, low-volatility investments like bonds or short-term CDs could provide higher returns with reasonable liquidity.

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To make sure you get accurate and helpful information, this guide has been edited by Holly Jennings as part of our fact-checking process.
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Contributor

Shane's career started with the US Department of Defense where he performed research for 8 years. He then studied philosophy and became fascinated by the ways in which technology and finance can consolidate to impact the world's socio-economic order. To date, he has written hundreds of articles with various insights into digital assets, trading, investing, and the ways in which technology can be used to further optimize the stock trading and settlement processes. His work has been featured in Yahoo Finance, Nasdaq, Bitcoin Magazine, Investing.com, Tokenist, and others. See full bio

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