Ethereum spot ETFs saw net outflows of $644 million last week, with BlackRock's ETHA experiencing the largest net outflow at $558 million.

According to data from SoSoValue, Ethereum spot ETFs saw a net outflow of $644 million last week (December 15-19, Eastern Time), with none of the nine ETFs experiencing net inflows.

The Ethereum spot ETF with the largest net outflow last week was BlackRock ETF ETHA, with a weekly net outflow of $558 million. ETHA's historical total net inflow has reached $12.67 billion. The second largest was Grayscale Ethereum Trust ETF ETHE, with a weekly net outflow of $32.36 million. ETHE's historical total net outflow has reached $5.05 billion.

As of press time, the Ethereum spot ETF has a total net asset value of $18.21 billion, with an ETF net asset ratio (market capitalization as a percentage of Ethereum's total market capitalization) of 5.04%, and a cumulative net inflow of $12.44 billion.