Fight Finance

Courses  Tags  Random  All  Recent  Scores

Scores
keithphw$6,011.61
Jade$1,815.80
Chu$789.98
ZOE HY$763.33
royal ne...$750.00
Leehy$713.33
Visitor$650.00
JennyLI$625.61
Visitor$590.00
Visitor$555.33
Visitor$550.00
Visitor$550.00
Visitor$540.00
Visitor$500.00
Yizhou$489.18
Visitor$480.00
Visitor$480.00
Visitor$470.00
Visitor$464.70
Visitor$460.00
 

Question 284  covariance, correlation

The following table shows a sample of historical total returns of shares in two different companies A and B.

Stock Returns
Total effective annual returns
Year ##r_A## ##r_B##
2007 0.2 0.4
2008 0.04 -0.2
2009 -0.1 -0.3
2010 0.18 0.5
 

What is the historical sample covariance (##\hat{\sigma}_{A,B}##) and correlation (##\rho_{A,B}##) of stock A and B's total effective annual returns?




Copyright © 2014 Keith Woodward