According to SoSoValue data, the total net inflow of Bitcoin spot ETFs yesterday (December 13, EST) was 429 million US dollars. The grey release (Grayscale) ETF GBTC had a net outflow of $106 million in a single day yesterday, and the current GBTC historical net outflow is $21.045 billion. The grey release (Grayscale) Bitcoin mini-trust ETF BTC had a net inflow of $4.508 million in a single day, and the current grey release Bitcoin mini-trust BTC historical total net inflow is $1.032 billion. The bitcoin spot ETF with the largest single-day net inflow yesterday was BlackRock ETF IBIT. The single-day net inflow was $393 million. The current total net inflow of IBIT history reached $35.883 billion. Followed by Fidelity (Fidelity) ETF FBTC, a single day net inflow of $59.9571 million, the current FBTC history of total net inflows of $12.315 billion. As of press time, the total net asset value of Bitcoin spot ETFs was $114.969 billion, the ETF net asset ratio (market value compared to the total market value of Bitcoin) reached 5.71%, and the historical cumulative net inflow had reached $35.602 billion.