The leu closed at 4.376 per euro, from 4.386/4.3885 per euro a day earlier.
It opened at 4.3825/4.385 to the euro and further gained ground, hitting the day’s high of 4.365 to the euro in the second half of the session.
Market participants said the central bank has continued to buy euros to rebuild its reserves. The bank said earlier Friday that its foreign currency reserves rose by more than EUR200 million to EUR31.46 billion in January.
The leu’s reference rate firmed to 4.3771 to the euro, stronger from 4.3828 per euro Thursday. Against the US dollar, the indicative won 0.9% on the day to 3.2033 units.
In the money market, overnight rates were at 5.9%-6.4% a year.