Golden Finance reported that according to SoSoValue data, last week's trading day (September 23 to September 27, Eastern Time), Bitcoin spot ETFs had a net inflow of 1.11 billion US dollars last week. Among them, Grayscale ETF GBTC had a weekly net outflow of 21.91 million US dollars, and the current historical net outflow of GBTC is 20.09 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 499 million US dollars, and the current total net inflow of IBIT has reached 21.42 billion US dollars. The second is ARK 21 Shares Bitcoin ETF ARKB, with a weekly net inflow of 269 million US dollars, and the current total net inflow of ARKB has reached 2.72 billion US dollars. As of now, the total net asset value of Bitcoin spot ETFs is 61.21 billion US dollars, and the ETF net asset ratio (market value to the total market value of Bitcoin) is 4.71%, and the historical cumulative net inflow has reached 18.80 billion US dollars.