The central bank bought treasuries from 12 lenders and will sell them back June 18.
Last week, the central bank injected a record RON12.1 billion into the market in an eight-day repo.
The number of state treasuries commercial banks are allowed to use as guarantee for operations on the monetary market was recently increased to five from three, and analysts predicted the lenders would attract more funds from the central bank in the next period.
On the money market Monday, weekly rates were flat at 4.9%-5.4% a year. (EUR1=RON4.4594)