Problem 44421. Portfolio diversification: choose your stocks !
we have the returns of 3 stocks for the last 4 years and we have to combine only 2 stocks that are less correlated. Example:
stock1=[0.1 0.3 0.22 -.15 ] ;
stock2=[0.3 0.4 -0.13 -0.22 ];
stock3=[0.6 -0.3 0.44 0.05];
So portfolio ={'stock2' 'stock3'} because they are less correlated than any other combination.
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3 Comments
David Verrelli
on 1 Dec 2017
It would be wise to add additional test cases.
It would be helpful to provide an example in the problem statement.
The problem statement should not commence with a space.
jean claude
on 2 Dec 2017
helpful comments, i did add some tests and one example. good lucks!
Rafael S.T. Vieira
on 10 Sep 2020
The less correlated stocks are the ones closest to zero and not to minus one (a correlation of 1 or -1 is still a strong correlation). Please, fix the problem description, what the problem actually wants are stocks that are closest to being inversely correlated.
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