PANews reported on December 22nd that, according to SoSoValue data, Ethereum spot ETFs saw a net outflow of $644 million in the week of December 15th to 19th, with none of the nine ETFs recording net inflows. BlackRock's ETHA saw the largest net outflow at $558 million, followed by Grayscale's ETHE at $32.36 million. The current total assets of these ETFs are $18.21 billion, representing 5.04% of Ethereum's total market capitalization.