Wu learned that, according to SoSoValue data, the total net outflow of Bitcoin spot ETF yesterday (September 6th, US Eastern Time) was 170 million US dollars. The Grayscale ETF GBTC had a net outflow of 52.87 million US dollars yesterday, with a total historical net outflow of 20.01 billion US dollars for GBTC. The Grayscale Bitcoin Mini Trust ETF BTC had a net outflow of 5.50 million US dollars yesterday, with a total historical net inflow of 334 million US dollars for the Grayscale Bitcoin Mini Trust BTC. As of the time of writing, the total net asset value of the Bitcoin spot ETF is 48.24 billion US dollars, with an ETF net asset ratio (market value as a percentage of total Bitcoin market value) of 4.62%, and a total historical net inflow of 16.89 billion US dollars.