The US Bitcoin spot ETF has seen a net outflow of $4.57 billion in the past two months

According to market news, the U.S. Bitcoin spot ETF experienced the worst outflow phase in history from November to December 2025, with a total net outflow of $4.57 billion, including a net outflow of $3.48 billion in November and $1.09 billion in December.

The outflows indicate a significant decline in institutional interest in Bitcoin, while the price of Bitcoin dropped by 20% during the same period. The Ethereum ETF saw outflows of over $2 billion from November to December.