Εμπειρική διερεύνιση κίνδυνου με τη μέθοδο των Ελληνικών γραμμάτων σε επιλεγμένους τραπεζικούς οργανισμούς
Empirical investigation of risk using Greek letters for selected bank organizations

Abstract
This paper studies the desire by financial service institutions to confront and undertake financial risks. There are various methods for measuring financial risk and the role of Greek Letters in Risk Management is critical. In particular, this paper examines the impact of risk on major banking institutions, where they place great emphasis on analyzing and managing the risks as much as possible. Furthermore, the various types of financial risks, risk management methods and risk measurement techniques are mentioned. Finally, the results of empirical analysis are presented, where the financial risk was studied using stock prices of four major banks.