This paper analyses the behaviour of the existing correlations between Central and Eastern Europeís markets, namely Romania, Czechia, Hungary, Poland, Slovenia,Slovakia and Bulgaria and the developed ones in Germany, France and United Kingdom.The study brings a new perspective on the subject by capturing two major stress periods the Global Financial Crisis and the Örst wave of the COVID-19 pandemic. By estimating a BEKK model, as well as Spearmanís rank correlation coe¢ cient and the Diebold and Yilmaz Spillover Index, the study Önds strong similarities between the analysed markets, with a general decreasing trend of the correlationsí level, indicating increasing beneÖts of diversiÖcation.