Residual interest is interest that continues to accrue on a credit card balance after you’ve paid it off.
It happens because credit card interest is calculated daily. Even if you pay your statement balance in full, interest may have accrued between the statement closing date and the date your payment was received.
This leftover amount appears on your next statement.
Residual interest can:
Credit card issuers calculate interest using daily compounding methods common across the industry.
If you’re trying to eliminate a balance completely, failing to account for residual interest can delay payoff by one billing cycle.
Example:
That accrued amount becomes residual interest.
Is residual interest a fee?
No. It’s accrued interest.
Can I avoid it?
Yes, by paying the payoff balance including accrued interest.
Does it hurt credit?
Only if left unpaid.