Beta can be regarded as the risk or volatility of a specific stock in comparison to the whole stock market’s volatility. Beta can be regarded as the indicator of the riskiness of a specific stock and its use is to assess expected return rate. Beta Calculation of General Electric Company Equity Cost = 7.24% ("General Electric Co WACC % (GE)", 2018). Risk-free return rate = 2.98% ("General Electric Co WACC % (GE)", 2018).