According to Lookonchain monitoring, data updated on June 1st shows that Bitcoin ETFs recorded a single-day net outflow of 1,947 BTC, approximately $139.42 million, and a 7-day net outflow of 19,351 BTC, approximately $1.39 billion; Ethereum ETFs recorded a single-day net outflow of 27,948 ETH, approximately $55 million, and a 7-day net outflow of 125,288 ETH, approximately $246.57 million; Solana ETFs recorded a single-day net inflow of 15,902 SOL, approximately $1.27 million, and a 7-day net inflow of 35,374 SOL, approximately $2.82 million.