The naira fell by 1.4 per cent to the dollar at the parallel market on Thursday, following strong demand for dollars.
It traded at the rate of N1,480/$, N20 weaker than N1,460/$ quoted on Wednesday at the black market.
At the official market, the naira further weakened against the United States dollar, according to data posted on the FMDQ Exchange website.
It closed at N1479.47/dollar, compared to N1434.53/dollar recorded on Wednesday.
Meanwhile forex turnover has taken a downward trend in the last two days.