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A credit sweep is an automated cash management feature offered by banks that moves surplus funds from a company's checking account into a higher-yielding investment or savings product at the end of each business day, and draws those funds back when needed to cover outflows. It works in both directions: it sweeps excess cash out to earn a return and sweeps funds back in to cover payments, all without requiring manual action from the account holder. Think of it like a water valve that automatically routes overflow into a reservoir and pulls it back when the main pool runs low.
Businesses use credit sweeps to put idle cash to work while maintaining the liquidity they need for daily operations.
At the end of each day, the bank compares the account balance to a target balance set by the business. Any amount above the target is swept into a designated investment vehicle. In the morning, if overnight obligations or early payments reduce the balance below the target, the bank sweeps funds back into the account automatically.
The most common sweep destinations include money market mutual funds, short-term Treasury securities, overnight repurchase agreements, and linked interest-bearing savings accounts. Each offers different yield levels and liquidity characteristics.
Banks structure credit sweeps in two primary ways, depending on whether the swept funds represent an investment or reduce borrowing.
Cash swept into a money market mutual fund is not covered by FDIC insurance. It is an investment, not a deposit. FDIC insurance only covers deposits held at the bank itself, up to $250,000 per depositor per institution. If swept funds are placed in a linked savings account at the same bank, they may qualify for FDIC coverage subject to the applicable limits.
For businesses sweeping large balances, the insurance question matters. Money market funds sponsored by major banks have not broken the dollar in decades, but they are not risk-free, and they are not government-guaranteed.
Credit sweeps deliver the most value to businesses with large or volatile daily cash balances. A retail chain collecting millions in daily card receipts, a law firm holding client funds in operating accounts between disbursements, or a manufacturer with cyclical revenue all benefit from automatically earning a return on cash that would otherwise sit idle.
For smaller businesses with consistently modest balances, the administrative setup and potential fees may outweigh the interest income generated.
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