The leu closed at 4.406 per euro, from 4.42 per euro Wednesday.
Elsewhere in the region, the leu’s peers were losing up to 0.2% against the euro.
The leu opened at 4.419 to the euro, but further appreciated, hitting an intraday high of 4.4055 per euro in the second half of the trading session.
The central bank set a reference rate for the leu of 4.4155 versus the euro, the strongest rate in two weeks. Against the US dollar, the leu’s indicative won 0.38% on the day to 3.2766 units.
In the money market, overnight rates rose to 2.5%-3% a year, from 0.3%-0.8% a year Wednesday.