Modern finance faces the challenge of the continuous improvement and expansion of risk measurement at the national and international level, particularly of understanding the psychological risk measures used by investors and, consequently, a need for better risk management. The aim of the study is to present the problem of the need for risk measurement, which modern finance has to confront. In order to achieve this aim, the essence of risk, uncertainty, and risk measures has been discussed. The research methods applied include an analysis of a measure of investment portfolio with the use of the value at risk (VaR) and an analysis of the DOSPERT psychometric scale with the use of psychological and financial investment risk.

Modern finance faces the challenge of the continuous improvement and expansion of risk measurement at the national and international level, particularly of understanding the psychological risk measures used by investors and, consequently, a need for better risk management. The aim of the study is to present the problem of the need for risk measurement, which modern finance has to confront. In order to achieve this aim, the essence of risk, uncertainty, and risk measures has been discussed. The research methods applied include an analysis of a measure of investment portfolio with the use of the value at risk (VaR) and an analysis of the DOSPERT psychometric scale with the use of psychological and financial investment risk.