The leu opened at 4.429/4.431 per euro, slightly weaker from 4.427/4.429 to the euro at Wednesday close.
At about 10:20 local time (GMT0820), the national currency was trading at 4.425/4.427 per euro.
The central bank Wednesday set the leu’s exchange rate at 4.4304 per euro, from 4.443 per euro in the previous day.
Against the US dollar, the leu’s exchange rate gained 0.28% to 3.2201 units Wednesday, from 3.2290 units on Tuesday.
On the money market Thursday morning, overnight rates rose slightly to 1.5%-2% a year.