Overlapping area represents the amount of risk that can be diversified away by holding Coinroom Bitcoin USD and LiveCoin Bitcoin USD in the same portfolio assuming nothing else is changed. The correlation between historical prices or returns on LiveCoin Bitcoin USD and Coinroom Bitcoin 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 Coinroom Bitcoin USD are associated (or correlated) with LiveCoin Bitcoin. Values of the correlation coefficient range from -1 to +1, where. The correlation of zero (0) is possible when the price movement of LiveCoin Bitcoin USD has no effect on the direction of Coinroom Bitcoin i.e. Coinroom Bitcoin and LiveCoin Bitcoin go up and down completely randomly.