According to SoSoValue data, last week's trading day (October 21 to October 25, Eastern Time) Bitcoin spot ETF saw a net inflow of $998 million in a single week last week. Among them, the grey release (Grayscale) ETF GBTC had a weekly net outflow of 11.90 million US dollars, and the current GBTC historical net outflow was 20.11 billion US dollars. The bitcoin spot ETF with the largest weekly net inflow last week was BlackRock ETF IBIT, with a weekly net inflow of 1.15 billion US dollars, and the current total net inflow of IBIT history reached 23.99 billion US dollars. Followed by Fidelity Bitcoin ETF FBTC, the weekly net inflow was 71.70 million US dollars, and the current total net inflow of FBTC history reached 10.38 billion US dollars. The Bitcoin spot ETF with the largest weekly net outflow last week was ARK 21Shares Bitcoin ETF ARKB, with a weekly net outflow of $206 million and a total net inflow of $2.65 billion in ARKB history. As of now, the total net asset value of Bitcoin spot ETF is 65.253 billion US dollars, the net asset ratio of ETF (market value compared to the total market value of Bitcoin) is 4.93%, and the historical cumulative net inflow has reached 21.935 billion US dollars.