ETH has historically outperformed BTC in May

According to data from CoinGlass, while Bitcoin (BTC) closed out April with a gain of approximately 11.87%, historical data shows that May has more often been a positive month. BTC has recorded seven winning months and six losing months in May, with an average return of 7.61%. Meanwhile, Ethereum (ETH) has historically outperformed BTC during the same period, with a record of seven wins and three losses and an average return of 28.45%. In some years, including 2016, 2017, 2019, and 2025, ETH has surged by more than 40% in May.