This chart compares the relative dominance of Open Interest across Perpetual Futures markets for BTC and ETH. Perpetual Futures have proven to be a favored futures product, capturing a large dominance of both Open Interest, and trade Volume for both BTC and ETH.
Dominance is calculated as follows;
Bitcoin Dominance = BTC OI / (BTC OI + ETH OI)Ethereum Dominance = ETH OI / (BTC OI + ETH OI)