Add to ORKGThe aim of the Thesis is to determine the influence of technical analysis to the profitability of shares by O2 Telefónica, Komerční banka and ČEZ whan applied to a predeterminated trading model and judge the validity of Efective Markets Theory. It will be also followed up the influence of trading signals of technical indicators on the shape and characteristics of conditional distribution set by those signals. The Crystal Ball was used as the main software tool. This software dispose of all tools necesarry for the analysis. There is also desribed the theoretical background of areas like shares, technical analysis, random quantity distribution, generating of random numbers and other related areas in the Thesis, so the reader who does not unde...