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