Odaily Planet Daily News According to Lookonchain monitoring on October 21, the data for Ethereum and Bitcoin ETFs in the United States shows: 1. A total net outflow of 3,081 ETH from nine U.S. Ethereum ETFs, approximately 8.24 million USD, of which Grayscale ETHE saw an outflow of 6,178 ETH, approximately 16.51 million USD, with Grayscale's current holdings at 1,619,808 ETH, approximately 4.33 billion USD; 2. A total net inflow of 4,330 BTC from ten U.S. Bitcoin ETFs, approximately 290.85 million USD, of which ARK21Shares saw an inflow of 1,598 Bitcoins, approximately 107.35 million USD, with ARK21Shares' current holdings at 52,347 Bitcoins, approximately 3.52 billion USD.