The leu closed at 4.529/4.531 per euro, from 4.52/4.5215 per euro Wednesday.
The currency opened at 4.525 versus the euro and traded in narrow ranges throughout the day.
The central bank set the leu’s reference at 4.5275 to the euro, modestly weaker on the day. Against the US dollar, the leu’s indicative slid to 3.3244 units, versus 3.3225 units Wednesday.
In the money market, overnight rates were flat at 0.5%-1% a year.