The leu opened at 4.496 to the euro, stringer than 4.505/4.5075 to the euro at Wednesday close.
It later varied around the opening levels and traded at 4.493/4.496 to the euro by 10:10 local time (GMT0810), while the other currencies in the region were also gaining slightly.
The Romanian central bank set Wednesday the leu’s exchange rate at 4.5123 per euro, from 4.5196 per euro in the previous session.
On the money market Thursday morning, overnight rates were around 2%.