The leu opened at 4.489 to the euro, slightly weaker from 4.483/4.4855 per euro at Friday close.
The national currency gained ground after the first trades, nearing 4.86, amid low volumes.
At around 10:00 local time (GMT0800), the national currency traded at 4.485/4.4875 against the euro.
Friday, the central bank set the leu’s reference at 4.4816 to the euro, the strongest level in five weeks. Against the US dollar, the leu’s indicative won roughly 0.5% on the day to 3.2488 units.
In the money market Monday morning, overnight rates rose to 1.75%-2.5%.