According to SoSoValue data, Bitcoin spot ETFs experienced a net outflow of $903 million during this week's trading days (September 22nd to 26th, US Eastern Time), with only Blackrock's IBIT Bitcoin ETF experiencing net inflows. The Blackrock IBIT Bitcoin ETF saw the largest weekly net inflow, with a net inflow of $174 million, bringing IBIT's total net inflow to $60.82 billion. The Fidelity FBTC Bitcoin ETF saw the largest weekly net outflow, with a net outflow of $738 million, bringing FBTC's total net inflow to $11.92 billion. The next largest weekly net outflow was the Ark Invest and 21 Shares ETF, ARKB, which saw a net outflow of $123 million, bringing ARKB's total net inflow to $2.10 billion. As of press time, the total net asset value of the Bitcoin spot ETF was US$143.56 billion, the ETF net asset ratio (market value as a percentage of the total market value of Bitcoin) reached 6.59%, and the historical cumulative net inflow has reached US$56.81 billion.