This publication is a collection of papers from the tenth annual international scientific conference Financial Markets 2021 - Innovation and Sustainability. In recent years, this conference has been the traditional culmination of the international presentation of the results of science and research in the field of financial markets, organized by the University of Finance and Administration every two years. The Governor of the Czech National Bank, Mr. Jiří Rusnok, again took over the auspices of the tenth annual year. The conference focused on the presentation and discussion of financing the investment development of small and medium-sized enterprises, the development of the stock and bond market, including the basis for the development of a regulated market for financial instruments within the Capital Market Concept in 2019–2023. Estonská 500, 101 00 Prague 10, date: May 27 – 28, 2021.