EN
During the last twenty years, the importance of construction sector in the economy of the country was subject to fluctuations a number of times. This is noticeable as the change in the dynamics of construction-assembly production against the background of the GDP. For this study, two objectives were assumed. The main goal was to determine the strategy of investing in the construction sector at the Warsaw Stock Exchange based on market anomalies Identification of those anomalies was the auxiliary objective of the paper. Determination of deviations from the market efficiency will give the average investor the possibility of generating abnormal rates of return atmosphere at the capital markets. In the paper, the method of literature studies, the method of comparisons and the method of studies on historical material were applied. Indicator analysis was necessary for evaluation of selected fundamental indicators. Profitability of investments was computed by applying the logarithmic rate of return. Based on the results of studies it can be concluded that higher than average rates of return may be obtained independent of the atmosphere at the capital markets and in the entire economy. Based on the analysed time anomalies, the shares of construction companies should be purchased on Wednesdays and sold on Fridays. Purchasing shares of construction companies at the beginning of the year one should sell them at the end of the first year quarter.