One of the most important business management tasks for enterprises is the calculation of an appropriate rate of return for invested capital or cost of capital. The article presents a theoretical and practical analysis of four of the most commonly used capital cost evaluation models. Based on the results, the two most suitable capital cost evaluation models that can be used under the prevailing conditions in Lithuania are identified. The analysis of the influence of the cost of capital on share values revealed the factual influence of the valuation models on share values. Thus, based on the research results, the authors recommend that under the current conditions, the Capital Asset Pricing Model and the Fama‐French model can be applied in t...