According to SoSoValue data, yesterday (May 1, US Eastern Time), the total net outflow of Bitcoin spot ETFs was US$564 million, setting a record high. Yesterday, BlackRock's Bitcoin spot ETF IBIT had its first net outflow, with a daily net outflow of approximately US$36.93 million. It is worth noting that the premium/discount rates of each ETF (except Hashdex ETF DEFI and Invesco and Galaxy Digital ETF BTCO) are all discounts, among which the discount rate of BlackRock ETF IBIT is -1.67%.