The Russian economic crisis of 2014-15 has dramatically affected cross-border trade among the three central states of the Eurasian Economic Union (EEU), Belarus, Kazakhstan, and Russia (all of which are also members of the EEU’s Customs Union, or CU). For many entrepreneurs, the volatile Russian currency and prices have been a disadvantage. For others, the absence of customs controls between CU members has opened a wide range of opportunities. What has been the impact of the 2014 “war of sanctions” on trade within the EEU? What effects did the devaluation of the ruble have? Who were the winners and the losers in these changing trade dynamics?