On September 18 (UTC+8), according to SoSoValue data, yesterday (September 17, US Eastern Time), the total net outflow of Bitcoin spot ETFs was $51.2824 million. The Bitcoin spot ETF with the largest net inflow yesterday was Blackrock's ETF IBIT, with a net inflow of $150.00 million in a single day. Currently, IBIT's total historical net inflow reached $60.399 billion. The second is Grayscale Bitcoin Mini Trust ETF BTC, with a net inflow of $22.5353 million in a single day, and the total historical net inflow of BTC has reached $1.837 billion. The Bitcoin spot ETF with the largest net outflow yesterday was Fidelity ETF FBTC, with a net outflow of $116.00 million in a single day, and the total historical net inflow of FBTC has reached $12.564 billion. As of press time, the total net asset value of Bitcoin spot ETFs is $152.453 billion, and the ETF net asset ratio (market value as a percentage of the total market value of Bitcoin) reached 6.62%, and the cumulative net inflow in history has reached $57.332 billion. [SoSoValue]