Most companies have a mathematical formula that looks like this: average daily balance x periodic daily interest rate x number of days in a billing cycle = finance charge. (debt.org)
The checking account is swept on a daily basis and applied to the HELOC's outstanding balance, reducing its average daily interest charges. (independentbank.com)
You'll earn daily interest on your balance and can set up recurring bank transfers to manage your money. (gobankingrates.com)