The average interest rate charged on credit card accounts that carry a balance, reported by the Federal Reserve.
It is 0.06 percentage points lower than a month ago.
That is 0.22 percentage points below where it stood a year ago.
Today's reading sits at the bottom of its 12-month range of 20.94% to 21.39%.
Week on week it is down 0.06 percentage points.
At 20.94%, carrying a $5,000 balance costs roughly $1,047 a year in interest before you repay a cent of the balance.
Source: Federal Reserve Economic Data, series TERMCBCCALLNS. National average, not a personalised quote.