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