THE INFLUENCE OF THE COVID-19 PANDEMIC ON ALLOCATION OF ASSETS IN INVESTORS PORTFOLIO

Investing during a pandemic is very challenging. Even in these difficult times, the investor must appropriately allocate assets into his portfolio. In this article, we discuss investing stock market. We are interested creating portfolios of shares that consist financial assets. The individual methods use designed to provide an allocation funds between shares. modern portfolio theory, Markowitz model (Markowitz, 1952) being used solve problems. paper's main goal propose efficient, robust approach optimization problem adjusted for periods global decline markets. our research, focus on optimization. Instead precisely given input parameters, set parameters from which always select worst possible parameter (so-called worst-case optimization). robustness achieved using so-called filter matrices. These matrices modify historical data directly proposed modifies by different lengths returns. Our then compared with original non-robust model. compare two models properties second derivative problem. results visualized levels investor’s risk aversion. present price five randomly selected companies traded US By comparing one, show returns capture volatility changes earlier. can thus reduce aversion and increase expected