Bitcoin spot ETFs have seen a substantial net outflow of $164 million, according to ChainCatcher. Data from SoSoValue indicates that the Fidelity ETF FBTC recorded the highest single-day net outflow of $104 million yesterday, with its historical total net inflow reaching $10.975 billion. The Blackrock ETF IBIT followed with a single-day net outflow of $33.9058 million, and its historical total net inflow stands at $63.341 billion. As of the time of reporting, the total net asset value of Bitcoin spot ETFs is $92.067 billion, with an ETF net asset ratio of 6.46% compared to Bitcoin's total market value. The cumulative historical net inflow has reached $56.373 billion.