Elsewhere in the region, the leu’s peers were declining by 0.1% against the European common currency.
The leu opened up at 4.224/4.226 per euro and further gained ground, trading below 4.2 per euro for the second half of the session.
The central bank set the leu’s reference at 4.2219 to the euro, the strongest rate in seven weeks.
On the money market, overnight rates fell slightly to 5.76%-6.26% a year, from 5.85%-6.35% a year Monday.