The leu opened at 4.255/4.257 per euro, from 4.254/4.2565 per euro at Wednesday’s closing.
By 10:00 local time, the leu had recovered some ground and traded at 4.251/4.252 to the euro.
Elsewhere in the region, the leu’s peers were gaining around 0.4% versus the European common currency.
The central bank set the leu’s reference at 4.2488 per euro Wednesday, the strongest rate in two weeks.
On the money market Thursday morning, overnight rates were at 4.5%-5% a year.