Wu Shuo learned that according to SoSoValue data, the total net inflow of Bitcoin spot ETFs was $381 million yesterday (April 21, Eastern Time), and none of the twelve ETFs had a net outflow. The Bitcoin spot ETFs with the highest daily net inflow yesterday were Ark Invest and 21Shares ETF ARKB, with a daily net inflow of $116 million. Currently, the total historical net inflow of ARKB has reached $2.601 billion.