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