- The SDR is an international reserve asset created by the IMF to supplement the official reserves of member countries. - The value of the SDR is based on a basket of key international currencies. Prior to 2016, the basket consisted of the US dollar, Euro, Japanese Yen, and British Pound. - In 2015, the IMF's Executive Board decided to include the Chinese Renminbi (RMB) in the SDR basket, effective October 1, 2016.