The leu closed at 4.377/4.378 per euro, from 4.374/4.376 per euro a day earlier.
Elsewhere in the region, the leu’s peers were losing up to 0.5% versus the euro after US authorities said the number of jobless claims fell at a slower pace than expected.
The leu opened slightly up at 4.371/4.373 per euro, from 4.374/4.376 per euro at Wednesday’s closing, and moved between 4.374 and 4.378 units for most of the day.
The central bank set the leu’s reference at 4.3757 to the euro, slightly stronger on the day. Against the US dollar, the leu’s indicative won 0.14% to 3.3084 units.
On the money market, overnight rates were at 3.5%-4% a year, from 3.3%-3.8% a year Wednesday.