EN
There were significant changes in the range of the information access observed during last two decades. It has determined growth of the international capital exchange. The effect of such situation is raising foreign investors’ participation in exchanges’ turnover. The monetary union in Europe indeed decreased FX risk in euro zone additionally. The goal of this paper is to analyze how the introduction of the euro influenced on stock exchange volatility. The hypothesis about the introduction of the euro stabilizing influence on euro zone stock exchanges volatility verification has been undertaken. The previous research does not fully confirm legitimacy of this opinion. The occurrence of such influence possibility has been proved, but the researchers are far from straight generalizations. The empirical analysis conducted in the article did not prove the hypothesis about the introduction of the euro stabilizing influence on euro zone stock exchanges with no doubts. There were some stock exchanges lowering their volatility after EMU accession analyzed in the paper, but we also find some others that such situation did not appear. Strong positive verification of Authors’ hypothesis cannot be done. However the hypothesis about the introduction of the euro stabilizing influence on euro zone stock exchanges volatility may be verified empirically. Although some other important stock exchange volatility determinants, strengthening or reducing the role of euro, may be omitted.