According to SoSoValue data, yesterday (Eastern Time December 23) the total net outflow of Bitcoin spot ETFs was $227 million. Yesterday, Grayscale ETF GBTC had a net outflow of $38.3853 million, and the historical net outflow of GBTC is currently $21.332 billion. Grayscale Bitcoin Trust ETF BTC had a net outflow of $6.1850 million yesterday, and the historical total net inflow of Grayscale Bitcoin Trust BTC is currently $854 million. The Bitcoin spot ETF with the highest net inflow yesterday was BlackRock ETF IBIT, with a net inflow of $31.6575 million, and the historical total net inflow for IBIT has reached $37.361 billion. As of the time of writing, the total net asset value of Bitcoin spot ETFs is $105.084 billion, with an ETF net asset ratio (market value as a percentage of total Bitcoin market value) of 5.7%, and the historical cumulative net inflow has reached $35.825 billion.