The leu opened at 4.328/4.33 to the euro, compared to 4.329/4.331 at closing the day before.
Within the first hour, the leu gained some more ground against the European coin and, at around 10:00 local time, it was trading at 4.323/4.326 to the euro.
The central bank published Tuesday a leu-to-euro reference of 4.3312 units, slightly weaker than the previous reference of 4.3053 units.
On the money market, overnight rates were stable at 5.25%-5.75% a year.