The naira has been pegged at 197 to the U.S. dollar for the past 16 months but the currency trades at around 350.
Nigeria's naira is expected to lose around a third of its value when market trading begins on Monday, bringing to an end the central bank's much-criticized fixed exchange rate system.
The naira has been pegged at 197 to the U.S. dollar for the past 16 months but the currency trades at around 350 on the parallel market as a slump in oil revenues has hammered public finances and foreign currency reserves.