FMDQ Introduces the Volatility Management Practice in the Nigerian Foreign Exchange Market. Nigeria’s foreign exchange market resumed trading, after Dealers went on recess following the spike of the naira to more than 200 against the US dollar. Joining CNBC Africa to discuss the Volatility Management Practice, is Bola Onadele.Koko, MD/CEO FMDQ OTC PLC. FMDQ, in its capacity as a market organiser and self-regulator, drives and regulates all secondary market activity in the Nigerian financial market.