“Historically, ether and bitcoin have been highly correlated; however, as the two assets have grown over time, market dynamics may affect the performance of one more than the other, creating relative value trading opportunities,” Giovanni Vicioso, CME Group global head of cryptocurrency products said in a statement. “With the addition of Ether/Bitcoin Ratio futures, investors will be able to capture ether and bitcoin exposure in a single trade, without needing to take a directional view.”