According to Lookonchain monitoring, on August 13, the US Ethereum and Bitcoin ETF data revealed that: Nine US Ethereum ETFs have a total net outflow of 12,202 ETH, equivalent to about $32.31 million, of which grey release has outflow of 16,482 ETH, equivalent to about $43.64 million, and the current grey release holdings are 1,910,332 ETH, worth about $5.06 billion; Ten US Bitcoin ETFs have a total net outflow of 329 BTC, equivalent to about 19.55 million US dollars, of which Grey Release GBTC has outflow of 1297 BTC, equivalent to about 77.17 million US dollars, and the current Grey Release holdings are 232,542 BTC, equivalent to about 13.83 billion US dollars.