Methods and systems for calculating performance of equity investments, such as public stocks, portfolios, mutual funds, hedge funds of publicly traded companies. Performance is calculated with a computer by calculating OiBiTDA (operating income before interest, tax, depreciation and amortization) of each equity investment which takes into account variables that include sales data per week, number of salary people and number of hours of hourly people. The calculated performance data can be disseminated through a subscribed based website and other digital online media, and the like. The return on investment (ROI) for the entire public company as well as for each operating facility of the public company can be determined.