The leu opened at 4.345/4.348 to the euro, compared to 4.3605/4.3635 to the euro at closing Tuesday.
Within the first hour, the leu continued to strengthen and, at around 10:10 local time (GMT0710), it was trading at 4.340/4.341 against the euro.
The central bank computed Tuesday the leu’s reference at 4.3529 per euro, the weakest level this month.
On the money market Wednesday morning, overnight rates inched up to 4.75%-5.25% a year, from 4.68%-5.18% a year in the previous day.