According to Lookonchain monitoring, on September 17, the US Ethereum and Bitcoin ETF data revealed that: Ten US Bitcoin ETFs have a total net inflow of 240 BTC, equivalent to about $14.61 million, of which BlackRock iShares has inflow of 273 BTC, equivalent to about $16.62 million, and the current iShares holdings are 357,550 BTC, equivalent to about $21.75 billion; Nine US Ethereum ETFs have a total net outflow of 2,756 ETH, equivalent to about $6.53 million, of which grey release ETHE outflows 3,398 ETH, equivalent to about $8.05 million, and the current grey release holdings are 1,738,210 ETH, worth about $4.12 billion.