According to SoSoValue data, Bitcoin spot ETFs saw a total net outflow of $348 million yesterday (December 31st, Eastern Time). The BlackRock ETF IBIT experienced the largest single-day net outflow, at $99.048 million, bringing its historical total net inflow to $62.093 billion. Following closely was the Ark Invest and 21Shares ETF ARKB, with a single-day net outflow of $76.5336 million, bringing its historical total net inflow to $1.634 billion. As of press time, the total net asset value of Bitcoin spot ETFs was $113.293 billion, with an ETF net asset value ratio (market capitalization as a percentage of Bitcoin's total market capitalization) of 6.47%, and a historical cumulative net inflow of $56.613 billion.