On Thursday, the official reference was 4.4208 per euro.
The fall against the US dollar was even more abrupt, with the exchange rate set at 4.0876 units, 1.8% weaker than 4.0169 units in the previous session.
The leu opened down at 4.43 to the euro, from 4.427 to the euro at Thursday close. It touched an early low at 4.431 units before entering positive territory. By mid-day, the leu moved towards 4.425 units.
The sentiment is negative in the region as well, with Hungary’s forint down 0.2% versus the euro, and the Polish zloty losing 0.3%.
On the money market, overnight rates rose to 1.9%-2.3% a year, from 1.5%-2% Thursday.