案例金融数学 The volatility of stock can be calculated by calculating the standard deviation of stock return, i.e. STD (stock_ret); the beta of stock can be calculated by CAPM formula Risk modeling Fina...

案例金融数学 The volatility of stock can be calculated by calculating the standard deviation of stock return, i.e. STD (stock_ret); the beta of stock can be calculated by CAPM formula Risk modeling Fina...