The leu opened at 4.320/4.322 against the euro, compared to 4.320/4.323 at closing the day before.
Within the first hour, the leu strengthened further and, at around 10:00 local time, it was trading at 4.316/4.318 against the European coin.
The central bank set Tuesday a leu-to-euro reference of 4.323 units, compared to the previous reference of 4.3295.
On the money market, overnight rates were stable at 5.5%-6% a year, compared to 5.59%-6.09% a year previously.