Ethereum Outperforms Bitcoin in May: Historic 28% Average Returns Revealed

Historical CoinGlass data shows Ethereum (ETHUSD) has materially outperformed Bitcoin (BTCUSD) in May, with ETH averaging 28.45% returns and recording seven winning months versus three losing months. Bitcoin’s May performance is milder and more volatile, averaging 7.61% with a roughly even win/loss record. Ethereum posted >40% May gains in 2016, 2017, 2019 and 2025, suggesting a recurring seasonal pattern tied to spring network upgrades, heightened DeFi/NFT activity and institutional flows. The report implies investors may overweight ETH in May based on historical seasonality, but warns that past performance is not predictive and that regulatory developments (SEC ETF/staking decisions) and macro factors can alter outcomes. Diversification and risk management remain recommended.