This textbook covers all essential financing topics for advanced learners. It introduces financing instruments such as bonds, stocks, and options, and explains how to determine the returns and risks of securities. Building on this, it presents the relationships between debt and equity financing and concludes with a discussion of the factors influencing an optimal capital structure for companies. Short learning units, clear didactic modules, and accompanying assessments ensure sustainable knowledge transfer. The book is aimed at anyone involved in corporate financing as part of their education and training, as well as their professional practice.