The all share index, which rose 50% in 2020, fell to 40,756.69 points, or 0.96%, by 1245 GMT, as banking consumer goods and oil stocks declined.
Nigeria is facing its worst economic crisis in 40 years, triggered by the coronavirus-induced oil price crash. Officials hope the West African country will emerge from its second recession in four years by early this year.
Oil company Oando led the decliners, and was down the maximum 10% allowed on the bourse.
(Reporting by Chijioke Ohuocha; Editing by Bernadette Baum)
