Not True. For two stocks A and B
Hedging Ratio = Beta(A,B) = Cov(A,B)/Var(B)
Correlation = Cov(A,B)/Std(A)Std(B)
If Correlation = 1, then
Cov(A,B) = Std(A)Std(B)
Then, substitute this back into the hedging ratio calculation, you get
Beta(A,B) = Std(A)Std(B)/Var(B) =...