1. Introduction; 2. Financial stability of banks from a theoretical perspective; 3. Banking sectors and financial conglomerates in CEE; 4. Methodology and data; 5. Empirical analysis; 6. Conclusion; Appendix 1. List of banks; Appendix 2. Financial stability of individual banks; Appendix 3. Financial stability of individual banking sectors; Appendix 4. Financial stability of banks in financial conglomerates; Appendix 5. Impact of financial conglomerates on financial stability; References.