The leu opened slightly above 4.42 to the euro, from 4.424/4.4265 to the euro at Friday close.
In the first trading hour, the leu varied between a high of 4.42 and a low of 4.4225 units.
In other trading, the Hungarian forint and the Polish zloty were both down 0.1% against the euro.
Romania’s central bank set Friday the leu’s exchange rate at 4.4251 per euro, weaker from an eight-month high of 4.4153 per euro the day before.
On the money market Monday morning, overnight rates were flat at 5.5%-6% a year.