On May 19, Bitcoin spot ETFs experienced a total net outflow of $331 million, according to SoSoValue data. The Blackrock ETF IBIT led the outflows with $326 million withdrawn in a single day. Meanwhile, Ethereum spot ETFs saw a total net outflow of $62.3 million. The Bitwise ETF ETHW recorded the highest single-day net inflow among Ethereum ETFs, with $756,300.