The leu opened at 4.355/4.360 against the euro, compared to 4.356/4.357 at closing the day before.
Within the first hour, the leu started to weaken and, at around 10:20 local time, it was trading at 4.3615/4.362 to the euro.
The central bank’s reference strengthened Thursday 0.12% to 4.3425 per euro, from 4.3577 per euro a day earlier.
On the money market Friday morning, overnight rates stayed at 5.5%-6% a year.