K33 Research data shows that as of December 16, the total assets under management (AUM) of Bitcoin ETFs in the United States has surpassed gold ETFs for the first time, reaching approximately 129 billion dollars. Bloomberg ETF analyst Eric Balchunas pointed out that this figure includes spot Bitcoin ETFs and ETFs tracking futures and other derivatives. Among them, the size of the spot Bitcoin ETF is approximately 120 billion dollars, while the gold spot ETF is 125 billion dollars. BlackRock's iShares Bitcoin Trust (IBIT) leads the BTC ETF market with a size of nearly 60 billion dollars. (Cointelegraph)