Over the past four days, the returns of stock A are: 0.10, 0.16, 0.29 and 0.66. In the same order, the returns of stock B are: 1.00, 0.15, -0.18 and -0.47. Compute the covariance of the returns between A and B.

Over the past four days, the returns of stock A are: 0.10,0.16,0.29 and 0.66 . In the same order, the returns of stock B are: 1.00,0.15,0.18 and -0.47 . Compute the covariance of the returns between A and B