U.S. spot Bitcoin and Ethereum ETFs experienced substantial net inflows on April 20, with Bitcoin ETFs recording $238.4 million and Ethereum ETFs $67.8 million. BlackRock's IBIT led the Bitcoin ETF inflows with $256 million, while Grayscale's GBTC saw a net outflow of $24.9 million. In the Ethereum ETF market, BlackRock's ETHA and ETHB recorded net inflows of $76.1 million and $13.2 million, respectively.