The three-month index last recorded a higher value, of 3.73% a year, on February 21, 2014.
The three-month rate started 2022 at 3.02% a year.
The six-month ROBOR used in calculating variable interests for mortgage loans in lei, grew to 3.77% on Friday from 3.76% a year on Thursday.
The twelve-month ROBOR index, which represents the interest rate paid on loans in lei attracted by commercial banks from other commercial banks for a twelve-month period, increased to 3.92% a year on Friday from 3.91% a year on Thursday.