M.G Sorokina, A.A Ajupov, F.F Hanafeev, E.D Ryzhakov, I.N Goretov, The Application of the Cost Approach to Management of the Commercial Bank’s, The Social Sciences, Volume 12,Issue 2, 2017, Pages 196-200, ISSN 1818-5800, sscience.2017.196.200, (https://makhillpublications.co/view-article.php?doi=sscience.2017.196.200) Abstract: The study represents the managerial decision-making mechanism for the commercial bank’s equity capital based on the dynamic Black-Scholes option model in the context of selecting the method of the capital increase by means of reinvesting profits and through the additional issue of shares. Keywords: Commercial bank;equity capital;cost approach;optional dynamic model;Russia