The theoretical part of the diploma thesis includes both the performance of the enterprise and the industry, as well as its evaluation through the ratio indicators. Financial analysis consists of traditional and modern business performance indicators. Other chapters include selected indicators of DSP performance measurement. The paper also provides information on the current state of the pulp and paper industry and the possibilities for its development. Part of this is also the characteristics of time series, their types, descriptive analysis and classical decomposition of time series. In the practical part, attention is paid to the statistical analysis of performance indicators of DSP, namely pulp and paper industry.