The leu closed at 4.313/4.315 per euro, from 4.329/4.331 per euro Tuesday.
Elsewhere in the region, the Polish zloty was gaining 0.5% against the euro, while the Hungary’s forint was up 1%.
The leu opened flat on the day, but further gained ground and hit the day’s high of 4.3125 to the euro toward closing.
The central bank set the leu’s reference at 4.3217 per euro, 0.2% stronger on the day. Against the US dollar, the leu’s reference won 1.64% to 3.133 units.
On the money market, overnight rates were flat at 5.2%-5.7% a year.