Bitcoin spot ETFs experienced a net outflow of $52.11 million on March 20, marking the third consecutive day of outflows, according to SoSoValue data. BlackRock's IBIT ETF led the outflows with $45.94 million, while VanEck's HODL ETF saw a net inflow of $2.96 million. Ethereum spot ETFs also recorded a net outflow of $41.97 million, continuing a three-day trend. BlackRock's ETHA ETF accounted for $31.45 million of the outflows, whereas its ETHB ETF registered a net inflow of $5.47 million.