Correlation Analysis Between Petrobras Argentina and TOTAL S

Overlapping area represents the amount of risk that can be diversified away by holding Petrobras Argentina S A and TOTAL S A in the same portfolio assuming nothing else is changed. The correlation between historical prices or returns on TOTAL S A and Petrobras Argentina is a relative statistical measure of the degree to which these equity instruments tend to move together. The correlation coefficient measures the extent to which returns on Petrobras Argentina S A are associated (or correlated) with TOTAL S. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of TOTAL S A has no effect on the direction of Petrobras Argentina i.e. Petrobras Argentina and TOTAL S go up and down completely randomly.