The leu closed at 4.242/4.244 per euro, from 4.235/4.237 per euro Friday.
It opened down at 4.25/4.253 per euro, but further gained ground and traded near 4.24 per euro for most part of the session.
The central bank set the leu’s reference at 4.2442 to the euro, slightly weaker on the day.
Against the Swiss franc, however, the leu fell to a fresh historic low of 3.9173 units, from 3.913 units Friday. The leu’s indicative strengthened 0.8% versus the US dollar, trading at 2.9768 units.
On the money market, overnight rates were flat at 4.4%-4.9% a year.