题目
Which of the following statements is most accurate? If the covariance of returns between two assets is 0.0023, then:
选项
A.the assets’ risk is near zero.
B.the asset returns are unrelated.
C.the asset returns have a positive relationship.
答案
C
解析
： C is correct. The covariance of returns is positive when the returns on both assets tend to be on the same side (above or below) their expected values at the same time. ： C正确。 当两种资产的回报率趋向于同一水平(高于或低于期望值)时，回报率的协方差为正。