The study analyses the effects of the EU enlargement on the capital markets in the most advanced countries of Central and Eastern Europe and Russia. It also investigates the impacts on the interactions between Eastern and Western capital markets that are due to the ongoing integration process. Therefore, the study should be particularly useful for financial analysts, institutional investors and academic researchers who are interested in the economic and institutional developments of capital markets in CEE countries and are looking for a thorough and comprehensive analysis of the future perspectives of these capital markets.