Application of financial market approaches related to uncertainty into the area of Corporate Finance

Methods how to face the uncertainty has been developed for a long time in area of financial markets, therefore many applicable approaches, capable to deal with the matter of uncertainty are available. Combining these methods with Bart Kosko´s theory of fuzzy sets results on general principle show to deal with uncertainty. The paperworks with month, week and daily Charts, based on CFD-SP500.I figures. Using indicators MACDH and RSI enabled evaluation of prospective occurance of divergence, where fuzzy approach, based on Bart Kosko theory of fuzzy sets, comprising charts of Kosko´s two-dimensionals fuzzy hypercubes, was adapted with regard to a requirement to describe both long and short position in the same 2-D hypercube chart. This modified hypercube enables very easy interpretation of all collected results, received via analysis of particular indicators.