According to SoSoValue data, yesterday (September 20, Eastern Time), the total net inflow of Bitcoin spot ETFs was $92 million. Yesterday, Grayscale ETF GBTC had a net outflow of $0.00 per day, and the current historical net outflow of GBTC is $20.07 billion. Grayscale Bitcoin Mini Trust ETF BTC had a net inflow of $13.37 million per day, and the current historical total net inflow of Grayscale Bitcoin Mini Trust BTC is $408.17 million. The Bitcoin spot ETF with the largest net inflow on a single day yesterday was Fidelity ETF FBTC, with a net inflow of $26.12 million per day, and the current total net inflow of FBTC is $9.78 billion. The second largest was Ark Invest and 21Shares' ETF ARKB, with a net inflow of $21.99 million per day, and the current total net inflow of ARKB is $2.45 billion. As of press time, the total net asset value of the Bitcoin spot ETF was US$57.47 billion, the ETF net asset ratio (market value as a percentage of the total market value of Bitcoin) was 4.63%, and the historical cumulative net inflow has reached US$17.69 billion.