The naira appreciated against the dollar on Friday, trading at N352 from N370 it sold at the parallel market on Wednesday.
The Nigerian currency gained N18 between Wednesday and Friday.
The currency, however, weakened further against the pound sterling and the euro as it exchanged for N515 and N405 respectively.
Meanwhile, the official exchange rate remained at N197 to a dollar at the apex bank window.
Traders at the market said that the market got a boost due to the availability of the greenback for trading.