Measuring Risk. Why do investors measure risk? Describe the two common measures of risk. Investors want to measure risk to understand the: (Select the best answer below.) A. calculation of exact future profits. B. estimation of long-term profits. C. degree of uncertainty surrounding their future returns. D. degree of volatility surrounding their future returns. Two terms that measure risk are: (Select the best answer below.) A. volatility index and degrees of return. B. return range and standard degrees of volatility. C. range of return and standard deviation of the returns. D. high range and low range