According to SoSoValue data, yesterday (September 17th, US Eastern Time), the total net outflow of Bitcoin spot ETFs was $51.2824 million. The Bitcoin spot ETF with the largest single-day net inflow yesterday was Blackrock's ETF IBIT, with a single-day net inflow of $150.00 million, and the total historical net inflow of IBIT has reached $603.99 billion. The second is Grayscale Bitcoin Mini Trust ETF BTC, with a single-day net inflow of $22.5353 million, and the total historical net inflow of BTC has reached $18.37 billion. The Bitcoin spot ETF with the largest single-day net outflow yesterday was Fidelity ETF FBTC, with a single-day net outflow of $116.00 million, and the total historical net inflow of FBTC has reached $125.64 billion. As of press time, the total net asset value of Bitcoin spot ETFs is $1524.53 billion, the ETF net asset ratio (market value as a percentage of the total market value of Bitcoin) is 6.62%, and the cumulative net inflow in history has reached $573.32 billion. [Odaily]