One of the significant problems of a modern economy and economics is political risk. A destructive influence of politics on the financial market cannot be ignored. It is necessary to indicate some selected specific problems of the financial market connected with politics in the area of: public finance (including EU), monetary policy and capital market. Nowadays, the scale and dynamics of political interference in the economy and finance leads to the problem of rationality in business activities. Moreover, many hidden political factors change the political risk into immeasurable political uncertainty.