In Derivatives markets, contracts made concerning an asset or a financial instrument between a buyer and a seller entered into today regarding a transaction to be fulfilled at a future point in time. The derivatives markets incorporate forward, swap, futures and options transactions. Banks, the principle actor in financial markets, finds derivatives favorable in developing countries like Turkey in which there is high interest rates and inflation. It is crucial to express the role of the derivatives markets, whereas the uncertainty concerns are perceived enormously. 2008 mortgage crises, the main cause is stated as to sheer of expectations, which started in US and spread out to all developed and developing countries evoke to encounter against risks intensely. The aim of this paper is to study how efficient is the use of the derivatives market instruments in Turkey, a developing country, by the banks and other financial market actors after the 2008 Global Crises.