The leu opened at 4.418/4.42 to the euro, after it touched a seven-month high on Monday, when it traded below 4.42 to the euro for the first time since early May.
The local market was closed Tuesday and Wednesday for the Christmas holiday.
Romania’s currency varied slightly in the first hour and traded at 4.424/4.427 to the euro at around 10:00 local time (GMT0800).
On Monday, the central bank set the leu’s exchange rate at 4.4231 per euro, the strongest since May 10.
On the money market Thursday morning, overnight rates were at 6.5%-7.5% a year.