According to Farside Investors monitoring data, the funding data for US spot Bitcoin ETF and spot Ethereum ETF on December 19th were as follows:
Spot Bitcoin ETF: BITB net outflow of $43.6 million, ARKB net outflow of $108.4 million, GBTC net outflow of $87.9 million, BTC net outflow of $188.6 million.
Spot Ethereum ETF: ETHW net outflow of $6.8 million, ETHE net outflow of $58.1 million, ETH net outflow of $3.2 million.