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