The leu closed at 4.45/4.4515 per euro, from 4.437/4.439 per euro Wednesday.
The local currency opened roughly flat against the euro, but later depreciated, hitting a low of 4.453 to the euro in the second half of the session.
The central bank set the leu’s reference at 4.4508 versus the euro, 0.3% weaker on the day.
Against the US dollar, the leu’s indicative was 3.2257 units, little changed on the day.
In the money market, overnight rates rose to 2.1%-2.6% a year, from 0.9%-1.4% a year Wednesday.