The leu opened at 4.12/4.122 per euro, from 4.114/4.115 per euro at Friday’s closing.
It further lost ground, hitting an early low at 4.1266 per euro.
Romanian central bank set the leu’s reference at 4.1091 to the euro Friday, slightly stronger on the day.
On the money market Monday morning, overnight rates were at 2.2%-2.7% a year.