Bitcoin spot ETFs experienced a net outflow of $52.1 million on March 20, according to SoSoValue data. The VanEck ETF HODL recorded the highest single-day net inflow of $2.96 million, bringing its cumulative net inflow to $11.82 billion. Conversely, BlackRock's ETF IBIT saw the largest single-day net outflow of $45.94 million, with its cumulative net inflow at $63.26 billion. The total net asset value of Bitcoin spot ETFs stands at $90.3 billion, representing 6.44% of Bitcoin's total market cap, with cumulative net inflows reaching $56.23 billion.