According to SoSoValue data obtained by Wu, the total net inflow of Bitcoin spot ETF yesterday (September 13th, Eastern Time) was 263 million USD. The Grayscale ETF GBTC had a net inflow of 6.66 million USD yesterday, with a historical net outflow of 20.04 billion USD. The Bitcoin spot ETF with the highest net inflow yesterday was Fidelity's ETF FBTC, with a net inflow of 102 million USD. Following that was Ark Invest and 21Shares' ETF ARKB, with a net inflow of 99.27 million USD.